| 
	
		
		
		
		 Hilo, while it was interesting to me that the plug was balanced, and I made mine the same way, it did not have to be.    
 
Lots of swimmers are weighted lots of different ways.  If you think about a pikie, the weight is up under the chin and almost all its weight is carried forward of its mid point, but they still swim great. 
 
There's a lot of variables to play with, this is just one of em... 
		
		
		
		
		
	 |