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plywood wing skin grain direction

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raymondbird

raymondbird

Well-Known Member
Supporting Member
Joined
Nov 29, 2008
Messages
261
Location
Belleville, Ontario Canada
wsimpso1 said:
The X-29 did some fiber orientation to get favorable bending-torsional coupling from the wing skins.
Click to expand...
With a rearward spar (45% in my case) would any of you know a downside to skinning the wings like this X29? I'm thinking it would be a smart thing to do. Plans say to alternate grain direction top to bottom as most do, or just span-wise like a Falco and many others, but I'm thinking anything to help with avoiding structural divergence would be a safer way and smoother in rough air. Why would washing out under load ever be a bad thing? More prone to flutter maybe . . . ?

1719042530477.png

Any more input on this greatly appreciated . . .
 
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