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Join Date: Jul 2008
Location: Dallas/Ft. Worth metroplex,Texas
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Airplane wings

07/28/2008 11:36 PM

How much lift could you get from four different wings that are six foot wide with one or two foot tall winglets at 60 M.P.H. and what would be the need of the (I think it;s called camber) front of wing for max lift???????????

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#1

Re: Airplane wings

07/29/2008 6:45 AM

I'll bet you would learn quite a bit just by going here.

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#2

Re: Airplane wings

07/30/2008 1:16 AM

If you can tell me the combined area of the wings I could give you a figure to work with. A sketch would help. In very rough terms, 100 square feet of wing area (a wing 25 feet wide (span) and 4 feet from front to back (chord) will lift about 2000 lbs at 60 mph.

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#4
In reply to #2

Re: Airplane wings

07/30/2008 7:26 PM

Thanks Ken for the rule of thumb. I saw an Osprey fly over about 300 AGL today. First time I've seen one. Was in Eli Whitney NC when I saw it. Probably moving about 140 MPH. Last I knew aircraft designers determined what the engine would be and designed the aircraft accordingly. The rough part of the terms would be engine thrust? The wings of the L 14 coupled with the props and engines that Howard Hughes flew around the world lifted about what your numbers say, at over 300 Mph I believe. L 18s and Learstars were mistaken for slow jets in the late Eighties even. The upturned swirl tips retrofitted to Grumman jets and Lears added lift so much that retrofits were performed. Long ago I tried to figure a lifting triangle that could fly around town and integrate with highways without crashing a lot. The Osprey killed many test pilots, so many my brother knew one who died. My brother is a sculptor. Rutan got more out of engines and wings than before. From what I know. NACA and NASA missions are of interest to me as a historical line of aviation designs and politics.

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#3

Re: Airplane wings

07/30/2008 10:19 AM

Ahhh, what (I think it's called) section are you using? One of the NACA foils? Each one of them have their own unique charicteristics.

Travis

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