Engine placement

Discussion in 'Boat Design' started by stupidbaker57, Sep 7, 2011.

  1. stupidbaker57
    Joined: Jan 2011
    Posts: 67
    Likes: 4, Points: 8, Legacy Rep: 40
    Location: Lakeville Ma

    stupidbaker57 Junior Member

    I have a ongoing design that I will be building soon, but I would like to know where to place the engine.
    The design is a full scale version of a RC model called a "rigger".
    The center hull is 12 feet long with the 5 foot sponsons extending 2 feet further forword than the bow.
    My design for a front engine mount would be to place the engine over the wetted portion of the sponsons (the last 12 inches) when at full speed.
    The power will be a 4 cyl motorcycle engine.
  2. PAR
    Joined: Nov 2003
    Posts: 19,133
    Likes: 476, Points: 93, Legacy Rep: 3967
    Location: Eustis, FL

    PAR Yacht Designer/Builder

    How did you scale the RC model to a full size, proportionally? What was the scale? Weight study? Hydrostatics?
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