Designing carbon fiber spar

Discussion in 'Multihulls' started by Maciek188, Jun 15, 2012.

  1. Maciek188
    Joined: Jul 2005
    Posts: 10
    Likes: 1, Points: 0, Legacy Rep: 22
    Location: Brooklyn, NY

    Maciek188 Junior Member

    Hello everyone,
    Plan to make modification to the existing, sport catamaran requiring making structural carbon fiber spar in form of I-beam or retriangular tube 1.5" x 3.5" and wall thickness .08" to .10"
    Which one of the two would be stronger given the same cross section area of the about .8 to 1 square inch and equal weight of the final product?
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