Quote:
	
	
		
			
				
					Originally Posted by  Anker
					 
				 
				The spring is under compression when the pedal is all the way up. At the very start it compresses a bit more and yes, it adds a bit of resistance at this point, but after a little bit of travel it starts extending and reducing pedal pressure. 
			
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Thanks for clarifying - I think I get it.
My understanding is sketched below - not exactly an engineering drawing but what the heck.
The compressed spring is applying a force to both sides of the pivot depending on the position of the pedal - hence the dual function - right?
Quite clever!