Material for hydrofoil

Discussion in 'Fiberglass and Composite Boat Building' started by Gasdok, Aug 25, 2020.

  1. Gasdok
    Joined: May 2020
    Posts: 11
    Likes: 0, Points: 1
    Location: Florida

    Gasdok Junior Member

    Seeking advice on material for hydrofoil on hysucat (10 m x 3.6 m).
    Have used expensive stainless steel in the past. Considering carbon fiber and s glass.
     

    Attached Files:

  2. Mr Efficiency
    Joined: Oct 2010
    Posts: 9,584
    Likes: 810, Points: 113, Legacy Rep: 702
    Location: Australia

    Mr Efficiency Senior Member

    Is this an existing boat that had foils, and you are replacing them ? What happened to the stainless ? Have you considered alloy ?
     
  3. BlueBell
    Joined: May 2017
    Posts: 1,550
    Likes: 384, Points: 83
    Location: Victoria BC Canada

    BlueBell "Whatever..."

    Changing from stainless steel to composite is a big step.

    Foam or red cedar core with E-glass on top would be my suggestion.

    Why do you ask?
     

  4. Ad Hoc
    Joined: Oct 2008
    Posts: 6,793
    Likes: 741, Points: 113, Legacy Rep: 2488
    Location: Japan

    Ad Hoc Naval Architect

    It all depends upon the size (area and chord) of the foils, your spans and the max speed of the boat.
    One cannot generalise so much in this regard.
     
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