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If one were to design their own sailplane, which airfoil would be a good 
		
	
		
		
		
		
		
	
		 
		
	
	
	choice for low drag and fairly low speed (ie, an ultralight part 103 sailplane for exampl)? In other words, is a thicker airfoil (more lift) better at slow speeds or a thinner airfoil (less drag)? Which type would give the best glide ratio with all other things being equal? -- Scott http://corbenflyer.tripod.com/ Building RV-4 Gotta Fly or Gonna Die  | 
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