I drilled and riveted the threaded end pieces for all the wing push / pull tubes. The drill press came in handy for this. Also handy was a v shaped jig I bought for drilling tubes.
I also primed the outside of the bigger tubes that go from the fuselage out to the bellcrank. (The smaller tubes that connect to the aileron are powder coated steel.)
Steel tubes connect the ailerons and bellcrank. 
Large tubes connect to the stick in the cockpit and out to the bellcrank.
Ready to prime. (My bike stand has come in handy on this project!)
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