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Old May 18, 2001, 11:37 PM
kit basher is offline
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Mike Swan

Any thoughts on airfoil for 400/480 stuka with scale wing



Hi, Am working off of a reduced scale plan, wingspan around 30-35.Plane will be in pink foam,alot of stuff still in planning stage,was wondering about airfoils for scale wing?Thanks Mike
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Old May 19, 2001, 07:58 AM
Haldor is offline
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RG15 modified 8% root/10%tip cord and 2deg washout.

Old May 19, 2001, 09:07 AM
PeterH is offline
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I suggest just using what is on the original plan. I also suggest cheating a bit and going for a bit more span with a bit more tip chord. The original wing is so severely tapered that I think it is a stall/snaproll waiting to happen at any moment when built as small as you are considering. At the Reynolds numbers your wing will have, I think you won't gain any practical benefit from trying to optimize the airfoil. Good luck.
Old May 19, 2001, 12:21 PM
Sparky Paul is offline
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At least make the tip chord larger. As PeterH says, the Rn is so small the airfoil won't be a factor, but it will be a tip-staller.
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Sparky Paul http://www.angelfire.com/indie/aerostuff
PJB's Seriously Aeronautical Stuff http://www.networkone.net/~pjburke/index.html


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