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Wing attach bolts in tension

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BJC

Well-Known Member
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Joined
Oct 7, 2013
Messages
18,148
Location
97FL, Florida, USA
(New thread so as not to hijack the one about U bolts.)

The Cassutt spar sits on wood shims on the top longerons with a wood shim and an aluminum strap across the top. Four 5/16 (IIRC) bolts, two per side, tie the strap to bushings welded vertically into the top longeron. There is additional bracing below the longerons, around the bushings.

Really simple to build, really easy to shim the spar for wing alignment, really easy to remove the wing for trailering, really strong.

What other aircraft use bolts in tension to attach the wing?


BJC
 
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