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May 18, 2001, 10:37 PM
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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May 19, 2001, 06:58 AM
EDF Head
Haldor's Avatar
RG15 modified 8% root/10%tip cord and 2deg washout.

May 19, 2001, 08:07 AM
Registered User
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.
May 19, 2001, 11:21 AM
Ascended Master
Sparky Paul's Avatar
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.
Sparky Paul
PJB's Seriously Aeronautical Stuff

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