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Old Sep 15, 2014, 12:04 PM
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Joined Mar 2012
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Wing Washout

I'd like to start hotwiring my own EPP wings and fuselages.

For say a 48" wing on a combat foamie (with eppenage), what amount of washout should I be adding?
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Old Sep 15, 2014, 12:46 PM
That Freeking Laird Guy
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United States, CA, Riverside
Joined Feb 2002
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Quote:
Originally Posted by wadeg View Post
I'd like to start hotwiring my own EPP wings and fuselages.

For say a 48" wing on a combat foamie (with eppenage), what amount of washout should I be adding?
None! Generally washout is only added on a swept back wing. if you are making a "normal" plane with a tail (P-51 or something like that) then washout isn't needed.
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Old Sep 15, 2014, 05:10 PM
Surf Sucks, Slope Trips
Joined May 2014
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I think he was asking about a combat wing ala zagi...which does have a swept wing...
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Old Sep 15, 2014, 05:22 PM
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I read "with empennage" (or something close to it) to mean it has a conventional tail.
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Old Sep 15, 2014, 07:04 PM
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Thanks! That makes it simpler! Getting back to sloping but with 2 young daughters now, I can't crunch my old glass and the LZs closer to home are rotten. No way can I justify loading up and driving to Eagle/Kiona for the day. Time to make slope trash!
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Old Sep 15, 2014, 07:27 PM
by ZIPPER
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East Kurrajong Sydney Australia
Joined Aug 2004
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None on a combat wing.
The elevons are generally wider at the tip than the root and with the reflex of the elevon, that will give you the washout.
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Old Sep 15, 2014, 10:07 PM
Slope Nutz, FLY OR DIE
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Vista, Ca
Joined Oct 2002
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None is correct, it's not needed, I use to put washout on the wings and found out it doesn't help, so now all the wings I cut have no washout, I think on a powered plane with a thicker airfoil washout helps for reducing tip stall, but on a glider with thinner airfoils it is not needed.
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