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We've got some Fly Baby builders who are considering building the Hevle 
		
	
		
		
		
		
		
	
		 
		
	
	
	Classic tandem Fly Baby. We're trying to work out what would be a good thickness for the spruce spar. My thought was that comparing it to that of a production plane would be a good start. So, can anyone tell me the thickness, height, and length of the wooden spars for the J-3 and the Aeronca Champ? Ron Wanttaja www.BowersFlyBaby.com  | 
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