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sailplane spar joining methods

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handprop

Well-Known Member
Joined
Apr 17, 2009
Messages
156
Location
wisconsin
Hey guys

Could any of you point me in the direction of methods used in joining sailplane wings. Iv'e been spending each night studying structural design of wings and I am starting to look ahead at how I want to join my aluminum wings in the steel tube fuselage for my Doodlebug project.

The Sonerai is a similar type set-up as far as aluminum wings and steel tube fuselage. The method used here is a steel box where each spar slips in the box at the 1/2 way point and then pinned top and bottom on each spar at the root.

For the Doodlebug I was thinking about studying how some of the sailplane folks do it where the spars overlap but I cannot seem to find much information on how they do it. Does anyone know how this is done on aluminum wings or know of any sailplane websites where I can generate some ideas for some calculations?

Mike
 
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