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Old 08-24-2006 | 11:54 PM
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Crazy4Flight
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From: Milford, MI
Default RE: Nitro models pusher Bobcat?


ORIGINAL: mugenkidd

how is everyone securing the wings. I'm not seeing any manufacture suggestions? So I'm thinking I'll just drill and tap the main wing tube. Anyother suggestions or am I overlooking something ?
Well the NON-Lingual instruction have one use two part epoxi to fix the wing on.


The wall of the wing tube is too thin to tap and use straight up, soon the threads will strip out. The solution is to place a wood dowel inside the tube's ends. Glue these inplace before drilling and tapping. Remember to harden the threads in the wood with some Cya. The wing will need some attention where the wing bolt hole is, so it on't crush when the bolt is tightened.

My plan is to install a #8-32 blindnut in the wing just in front of the 4mm anti-rotation pin. Then put a point on a 8-32 socket set screw, put the screw into the nut, and put the wing back on and the point of the screw will mark the fuse where to drill the clearance hole. On the inside of the fuse I will glue in a "fender washer" for the socket head screw to bare down on. A "fender washer" is larger in diameter compared to the standard washer. It will distribute the load better. A 1/4" drive ratchet with a hex bit will be used to tighten the screw.

Bob