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Old Dec 14, 2015, 05:58 AM
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Eurofighter airfoil

Although I have own-designed and built numerous "conventional" scale models, I now want to try my hand at an EDF jet, specifically the Eurofighter Typhoon, for a 70 to 90 mm fan, around 800 to 1000 mm span.

Does anyone have any ideas on the ideal airfoil to use on such a model; thickness, camber, washout?

(On my other models I have traditionally used the original airfoil with good results, but don't think it will work in this case?)

Thanks
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Old Dec 14, 2015, 09:54 AM
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You could always get the freewing 90mm eurofighter and use it as a mold..
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Old Dec 14, 2015, 10:14 AM
CoolerByTheLake is offline
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Do it Right, the first time!
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For some inspiration, you could read acesimmer's thread - 76" Scale twin 90mm Composite Typhoon Scratch Build

http://www.rcgroups.com/forums/showthread.php?t=1831924

Both of these are scratch built-- and all composite. He would know about the airfoil.

http://static.rcgroups.net/forums/at...3-IMG_2626.jpg
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Old Dec 14, 2015, 08:06 PM
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deltas are cool
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use of a reflexed airfoil is very helpful in reducing trim drag ...most delta need some up trim ..having the canard helps reduce this some .
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Old Dec 15, 2015, 10:40 AM
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Thanks for all the responses.
I had a look at the Freewing model, but with the poor exchange rate my currency has with the $ that's way out of reach.
I'll check out the other threads, need the inspiration!
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