Bass1

Anybody know where I might find an 18mm(OD) wing tube thats 27" long? Aluminum or carbon fiber will work..

soarrich

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http://www.troybuiltmodels.com/WingTubes.htm#mt

Bass1

Already tried Troybuilt, TNT, ACP composites and many others. TNT and Troybuilt have 18mm tubes but only 19" long.[&o]

soarrich

My Feedback: (98)

Oh that's what 490mm is [:@]

Bass1

soarrich, Thanks anyway for the suggestion. I did find a company that carries a close enough replacement however it's a little pricey for a 60/90 size ARF! www.carbonfibertubeshop.com They have a 60 inch .700"(OD) tube that is close enough. (18mm is .708"). About $80.00 shipped[X(] I'm still researching though.

soarrich

My Feedback: (98)

Did you think of using two of the TBM tubes and making a internal coupler out of aluminum?

Bass1

soarrich, The two tube idea did cross my mind but I didn't give it much thought. I think you may have provided the incentive to try it. The Troybuilt carbon tubes are 18mm with a .9mm wall thickness giving and inside diameter of about 16.2 mm or .64 inches. A 5/8 inch aluminum tube is .62 inches (OD) Pretty close. Maybe a 4" or so piece of the aluminum tube well slathered with JB Weld would work?? The price sure is reasonable @ 2x$14.95 plus a couple bucks for the aluminum! Do you think it will hold together? I know my carbon fiber pushrods have stood the test of time with the same method of attachment although the stress factor would be different. Worth a shot as I've run out of options. I just talked myself into it and am ordering the tubes now...

ultralightcomposites

you can find wing tubes and lots of carbon fiber tubes in here www.ultralightcomposites.com