PPRuNe Forums - View Single Post - Speed tape, much?
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Old 24th Apr 2022, 08:52
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Krystal n chips
Thought police antagonist
 
Join Date: Jul 2003
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Originally Posted by alf5071h
How might the wrinkles affect the drag profile. Or lift characteristics, stalling speed, Mach trim ?

Are the wrinkles proportional to wing flexing;- effect of mass, manoeuvre, thence control effectiveness.
Could be some interesting test flying in these areas !
Speed tape is an invaluable "quick fix" and I used it, as do most engineers, many times over the years.

The only reason for those wrinkles, and they are excessive, is poor application technique. Once the patch is cut to size, and in place, you simply ensure even pressure is applied and lo and behold, a smooth surface results. It's not a complex technique. And if you do get a wrinkle, you simply remove the patch....and start again.
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