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Shawn Berkheimer · 11-23-2006, 02:27 AM

Is the wing socket made from phenolic or Fiberglass? If it is fiberglass as quite a few ARF manufacturers are using I would not sand the socket. If you are correct and it is a couple of ribs that are creating the problem you could easily sand right through the fiberglass in that spot. Myself I would notify AM and see if you could exchange this set of wings out for another that are 100% correct. If that is not an option, I would order up a CF wing tube and wet sand the CF tube with 150 grit until it fits correctly. the difference between a tight fit and a good snug fit is ony going to be .0005, you can easily sand that much away from a CF tube and not weaken it.

Shawn

11-23-2006, 02:27 AM	#6
Shawn Berkheimer Put some Bling on that thing Join Date: Jan 2006 Location: San Jose CA Posts: 642	Re: How to relieve very tight wing tubes?? Is the wing socket made from phenolic or Fiberglass? If it is fiberglass as quite a few ARF manufacturers are using I would not sand the socket. If you are correct and it is a couple of ribs that are creating the problem you could easily sand right through the fiberglass in that spot. Myself I would notify AM and see if you could exchange this set of wings out for another that are 100% correct. If that is not an option, I would order up a CF wing tube and wet sand the CF tube with 150 grit until it fits correctly. the difference between a tight fit and a good snug fit is ony going to be .0005, you can easily sand that much away from a CF tube and not weaken it. Shawn