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    Hull

    Hull parameters check (calculation)

    Hull parameters check (calculation)
    Navalapp
    Topics: Calculations | Hull | Hydrodynamics | Residuary resistance
    Read

    Residuary resistance of the hull upright and heeled (calculation)

    Residuary resistance of the hull upright and heeled (calculation)
    Navalapp
    Topics: Advanced | Calculations | Hull | Hydrodynamics | Residuary resistance
    Read

    Residuary resistance of the hull upright (calculation)

    Residuary resistance of the hull upright (calculation)
    Navalapp
    Topics: Calculations | Hull | Hydrodynamics | Residuary resistance
    Read

    Frictional resistance of the hull (calculation)

    The frictional resistance is a force that is generated when the underwater parts of the boat and the water around are in relative movement (the boat m…
    Navalapp
    Topics: Calculations | Frictional resistance | Hull | Hydrodynamics
    Read
    Hull model being tested in a test tank.

    What is the Froude number?

    The Froude number is a dimensionless number used to quantify the influence of gravity on the motion of a fluid. It is the ratio of the inertia forces …
    Navalapp
    Topics: Hull | Hydrodynamics | Resistance | Wave-making resistance
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    Schooner sails over the ocean waves in the bay near a harbor.

    The evolution of hull and keel forms – Part 2

    British "plank-on-edge" suffered from poor form stability. Yet, the deep down located ballast offered a considerable amount of weight stability and po…
    Navalapp
    Topics: Geometry | History | Hull | Keel
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    Classic pilot cutter sailing

    The evolution of hull and keel forms – Part 1

    Until the 19th century, the art of yacht design had been mainly influenced by tradition, economic and commercial motivations, understanding of materia…
    Navalapp
    Topics: Geometry | History | Hull | Keel
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    Sail boat under the storm, detail on the winch

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

    The lines drawing is the conventional graphical representation of the hull. In the lines drawing, the hull's shape is represented by three different v…
    Navalapp
    Topics: Geometry | Hull
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    Beautiful bay with sailing boat in Mediterranean sea.

    Introducing the hull

    The hull provides a volume to house accommodation, machinery, supplies, and cargo. It has to be seaworthy enough for the routes the yacht will sail an…
    Navalapp
    Topics: Geometry | Hull | Parameters
    Read

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    Navalapp. Sailing Yachts Design & Performance
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    Sailing Yacht Design & Performance

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