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Sport What is considered a suitable clearance between the wing joiner tube and wing socket.

karolh

30cc
I am in the process of completing a scratch built 63" span aerobatic sport model and the 21" long CF wing joiner tube I plan on using has a wing socket overall clearance of .028" . Is this okay or is it too too big a clearance.
 
are you referring to clearance on the diameter or the length ?

.028 on the length is fine but if your referring to diameter I would shoot for .0028
 

karolh

30cc
Guess I should have been more specific, I was referring to the O.D clearance. Wow, .0028" that's a really close fit.
 
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