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Old 09-14-2011 | 02:06 PM
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kenh3497's Avatar
kenh3497
 
Joined: Jan 2010
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From: Rockwell, IA
Default What would be a good airfoil to use

I'm rebuilding my Hangar 9 Cap 232 (60 inch wing span) after a... ahhhh.....hard landing

One wing panel was destroyed and the other is a mess with multiple cracks and splits. So I plan on a new wing. My first thought was to trace the root and tip ribs and cut a foam wing. I know this will be a bit heaver that the built up it had. Now I'm thinking of going with a built up wing but of course the ribs will be a bit more of a problem without plans. I could use the old trick of stacking the rib material between two templates and sanding away but with this tapered wing I don't know how accurate that method would be. Maybe I'm over thinking this[] In any case the wing will be fully sheeted and glassed with 3/4 oz cloth for strength and durability.

In addition as long as I'm building a new wing I thought I might as well use a "better" airfoil than the one that's on it. The root rib is 13.125" long and 1.125" thick. The tip rib is 6.375" long by 1.0" thick. Is there a popular airfoil that might be better that this one? This wing seemed to be a bit "snappy" but then I guess it needs to be if it's on a aerobatic airplane LOL. It never seemed to have any bad landing habits though. It only flew about 10 flights before the horizontal stabilizer decided to part company with the rest of the airframe!


Thanks!

Ken