Thread: Polished y-pipe with teflon coating
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Old Feb 14, 2008 | 08:57 AM
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Maxwell
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Default Re: Polished y-pipe with teflon coating
Originally Posted by ShawnQ
Do 600+mph airplanes have rough surfaces?
they might have a 220 grit polish to the wings. I know full scale gliders pilots rough up the get coats on the planes surface to gain an egde durring cross country races
 
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