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dual spar design

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  1. SpainCub

    Dual Spar calculation for cantilever wings. (new-bee question)

    Hello all, I am contemplating deviating from the design for a set of plans that I own for the spar. The plans call for solid Spruce for F.Spar and R.Spar, and I am considering an I-Beam spar design to save about 10lbs from each wing, while also incorporating new material for my build that...
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