Headsails “Set Flying” aerodynamic coefficients (calculation)
A headsail is a sail set forward of the mast. Headsails may be set on the forestay or set flying, i.e., with no sail edge attached to the forestay. Wi…
Calculations
Unswept Wings: coefficients, forces, circulation, lift per unit span, and downwash (calculation)
Calculation template How does it work? This calculation template uses Prandtl’s classical Lifting-line Theory. All the results are available for angles of attack from 0…
Unswept Wings: coefficients and forces (calculation)
Calculation template How does it work? This calculation template uses Prandtl’s classical Lifting-line Theory. All the results are available for angles of attack from 0…
Unswept Wings: lift and induced drag coefficients (calculation)
Calculation template How does it work? This calculation template uses Prandtl’s classical Lifting-line Theory. All the results are available for angles of attack from 0…
Added resistance in waves of a yacht (calculation)
See also: Added resistance in waves knowing yacht’s radius of gyration (calculation). Added resistance in waves: Response Amplitude Operator (calculation). What the hydrodynamic resistance is…
Added resistance in waves knowing yacht’s radius of gyration (calculation)
Calculation template How does it work? The calculation requires LWL, Tc, BWL, ∇c, CP, the yacht’s radius of gyration, Kyy, as well as the significant…
Added resistance in waves: Response Amplitude Operator (calculation)
How it works When sailing against waves, a sailing craft experiences an additional resistance that penalizes its performance. To study how the boat is affected,…
Wave spectral density (calculation)
The performance of a sailing boat is affected by the presence of surface waves. To understand the boat’s behavior under waves, it is necessary first…
Genoa aerodynamic coefficients (calculation)
A headsail is a sail set forward of the mast, or of the foremast mast if there is more than one mast, where the measurement between the half luff poin…
Jib aerodynamic coefficients (calculation)
A headsail is a sail set forward of the mast, or of the foremast mast if there is more than one mast, where the measurement between the half luff poin…
Mainsail aerodynamic coefficients (calculation)
A mainsail is a sail with the luff attached to the mainmast. The mainmast is the only mast in a una rig, sloop rig, or cutter rig, the fore mast in a …