void space floatation

Discussion in 'Hydrodynamics and Aerodynamics' started by rick gray, Dec 24, 2016.

  1. rick gray
    Joined: Dec 2012
    Posts: 87
    Likes: 4, Points: 8, Legacy Rep: 30
    Location: port coquitlam B.C.

    rick gray Junior Member

    Here is my dilemma i am building an amphibious vehicle, and want to know if wheel well areas( only open at bottom, like an inverted cup) will provide some rotation ? i assume air trapped inside compresses a little ,but this area would still provide a flotation value? see one half rear section of a wheel well in photo. this box shaped well is only open at bottom to water. so air is trapped when in water at draft.
     

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  2. ondarvr
    Joined: Dec 2005
    Posts: 2,929
    Likes: 573, Points: 113, Legacy Rep: 506
    Location: Monroe WA

    ondarvr Senior Member

    Trapped air spaces tend to lose that trapped air at the most inconvenient times, so while it will add buoyancy, I wouldn't rely on it.
     
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