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Old 12-06-2012, 01:35 AM   #17
road king 97
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Originally Posted by paulatgis View Post
oh i see joe. i checked out that link. i was not planning on sheeting the wing center for strength which later would support teh middle cut. my center ribs are blue foam not balsa so i was hesitant on letting the two middle foam ribs support the joint without a diheldral brace.
As long as you brace the center of the main spars to your satisfaction i would not worry about it. I would not cut ribs or anything else .If you can find some light hard wood it would always be better than ply . After building a couple different kinds of foam wings i like the method i showed you before ,when folded over its ready for paint and a stout piece of balsa for the main spar wraped over the top bottom and both sides stop it from breaking very well.I learned it by building this plane and he used no wood spar on his 3-d plane . http://www.rcgroups.com/forums/showt...ghlight=ultron
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