Articles – Navalapp

Catamaran with foils

Considerations about the design of a sailboat

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Markku Hentinen

Topics: Advanced | Boat / Yacht | Design | Markku Hentinen | Performance

Sailing yacht going before storm.

Performance aspects at different points of sailing

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Markku Hentinen

Topics: Advanced | Boat / Yacht | Design | Markku Hentinen | Performance | Requirements | Sailing

Dynamic team struggle to the regatta sailing ship

Understanding the boundary layer

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' 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data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Aero - Hydro | Aerodynamics | Hydrodynamics

Sailing yacht beating upwind

Bernoulli’s principle

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src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Aero - Hydro | Aerodynamics | Hydrodynamics

Flows in sailing

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' 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src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Aero - Hydro | Aerodynamics | Hydrodynamics | Pro

International Measurement System: Sails

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Geometry | IMS | ORC | Parameters | Rating | Sails

Challenges in sailboat design

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/114/61964d8026f6a-bpthumb.jpg 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/114/61964d8026f6a-bpthumb.jpg' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/114/61964d8026f6a-bpthumb.jpg' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/114/61964d8026f6a-bpthumb.jpg 2x' class='avatar avatar-80 photo' height='80' width='80' />

Markku Hentinen

Topics: Advanced | Boat / Yacht | Design | Markku Hentinen | Resistance

Sailing yacht race. Yachting sport

Added resistance in waves: “Pinkster” solver versus “Keuning 2006” comparison

Jean-François Masset

Topics: Added resistance | Boat / Yacht | Hydrodynamics | Pro | Waves

Wind sea waves

Sea state and wave forecasting

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Environment | Ocean | Pro | Waves | Wind

Long Period Swell Approaching Coastline

Wind-generated sea waves

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Advanced | Environment | Ocean | Waves | Wind

Hull appendages, planforms, and wing sections: what are they?

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' 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data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Appendages | Geometry | Keel | Rudder

Sailing at Mediterranean Sea. Super sailing yacht. The Superyacht Cup Palma

Wind triangle

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' 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data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Aerodynamics | Basics | Sailing | Wind

Points of sail

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src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' 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data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Basics | Sailing | Wind

Sailing yacht reaching

What the hydrodynamic resistance is and why it matters

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data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Added resistance | Frictional resistance | Hydrodynamics | Lift-induced drag | Residuary resistance | Resistance | Wave-making resistance

The air-water interface

The air-water interface

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data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Environment | Ocean | Waves | Wind

Surface waves. Aerial view to tropical sandy beach and blue ocean. Top view of ocean waves reaching shore on sunny day. Palawan, Philippines.

Surface waves

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src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Environment | Ocean | Waves | Wind

Hull model being tested in a test tank.

What is the Froude number?

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data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Hull | Hydrodynamics | Resistance | Wave-making resistance

Schooner sails over the ocean waves in the bay near a harbor.

The evolution of hull and keel forms – Part 2

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Appendages | Geometry | History | Hull | Keel | Pro

Classic pilot cutter sailing

The evolution of hull and keel forms – Part 1

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Appendages | Geometry | History | Hull | Keel | Pro

Sail boat under the storm, detail on the winch

The lines drawing: what it is and how to read it

<img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' height='80' width='80' data-src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' class='avatar avatar-80 photo lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png' srcset='https://navalapp.com/snp-wp-content/uploads/avatars/1/6095006fa126d-bpthumb.png 2x' class='avatar avatar-80 photo' height='80' width='80' />

Topics: Design | Geometry | Hull