[Paddlewise] Adapting Seal Line Rudders

	To Mary Z, Alex and other Seal line experts!  
	
	Would you have any thoughts about adapting the foil blade principle to
other rudder heads ?   In my particular case, I am looking at ways of
adapting the standard Klepper rudder by making up my own foil blade to fit
the standard head.
	Seal Line claim an advantage in efficiency and drag with the foil shape.
I presume the foil relates to an aircraft wing with a leading edge and
trailing edge? 

Peter Rattenbury, Oz

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