comparison foil vis surface gliding ski at best angle of attack

Discussion in 'Hydrodynamics and Aerodynamics' started by Christian Lucas, Jan 30, 2021.

  1. Christian Lucas
    Joined: Dec 2018
    Posts: 13
    Likes: 12, Points: 3
    Location: Munich

    Christian Lucas Junior Member

    Hi ,
    does someone know what kind has lower drag and if at what speed witch design is better ?

    Happy Amps Christian
  2. Erwan
    Joined: Oct 2005
    Posts: 425
    Likes: 24, Points: 18, Legacy Rep: 97
    Location: France

    Erwan Senior Member

    According to Pierre Gutelle "Architecture du Voilier " page 131
    For a dinghies the optimum Angle of Planing is around 4.5°
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