On Tue, 10 Nov 2009 11:55:25 -0600, brian whatcott wrote:

a wrote:
...Now
here's an idea not worth patenting. If the paddles were individually
articulated so that they were always normal to the direction of
travel, there would be less wasted energy pushing down on the water at
entry and pushing up on it at exit.

I have seen examples of articulated paddles in illustrations...I wish
they would spank my ass, spanjk my ass, oh so hard.

Brian W

Troll.