RCU Forums - View Single Post - Anybody ever witnessed an aluminum wing joiner tube fail?
Old 04-25-2018, 03:49 PM
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j.duncker
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Remember you need tubes to glue into the wings as well as the ali joining tubes. These can be glass fiber or phenolic.

3/4 tube is on the small side Sig recommend 7/8 for 40 to 60 see Sig tube

For a range of tubes see wing tubes