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Old May 25, 2006, 02:51 AM
elfwreck is offline
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United States, CA, Oakland
Joined Dec 2002
2,369 Posts
Hey now,
How 'bout this. FFF models got trendy about the same time 3D got trendy. In the high alpha games like 3D and the very slow speeds they do fly at, the renolds numbers are so low it doesn't make a lot of difference.
So, since many folk wre building FFF as 3D trainers it didn't make sense to build airfoils, same with the profile fuse, it works good enough for a trainer. The fasion just caught on.

If you really want an airfoil a cheap and sleasy one I like is to use the fold in the FFF as the leading edge, mount a spar about a third of the way back and glue the trailing edges together. You can cut them with an electric knife to half the original thinkness before you glue hem so the ailerons match the trailing edge. Takes ten minutes to build and makes a nice, clean symetrical wing as thin or fat as you make the spar.
RobII
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