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			 Member 
			
			
			
			Join Date: Dec 2011 
				Location: Denmark 
				
				
					Posts: 89
				 
				
				
				
				
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			 Quote: 
	
 Took another look at it yesterday. It seems like the dot in the circle has got a thread. So maybe it has been hanging from a hook/eye or something that has been screwed in the ball. It is most probably a counterweight of some kind. We didn't use those kind of windmills in Denmark, but it could have been used as a counterweight in another kind of industry maschine. Best HB  | 
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