Not Ranked 
   
		
		
			
			
			 
			
		
		
		
		Tilting it back at 20 degree angle increases the fin exposure to incoming airflow and increases the efficiency. Thank you Carrol Smith 
		
	
		
		
		
		
		
		
			
				__________________ 
				Rick
 
As you slide down the Banister of Life, may the splinters never be pointing the wrong way  
			 
		
		
		
		
		
		
	
		
		
	
	
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