At 03:43 PM 9/7/2004 -0400, Nick Schade wrote: >A better analogy may be a propeller instead of a glider wing, but I still >don't see it working as the Greenland stroke is described. With a prop, >the blades are foil sections which produce thrust through lift. When describing how a paddle can produces lift, in the context of using the paddle when sculling for support or for a low/high brace turn, the analogy that I usually use is remembering what happens when you put your hand out the window of a moving vehicle. Holding your hand with your fingers pointing forward it's easy to feel the effect of raising or lowering your fingers. With just a very small raise of the fingers your hand and arm will move up. Raising the fingers more causes the hand not only to move up, but to move backwards as well. Lower your fingers and the hand dives. Translating that to the paddle, such that the angle of the paddle blade has the leading edge slightly higher than the trailing edge, and the paddle will produce lift, and thus support, for a sculling brace or high/low brace turn. Greg Stamer also presented an interesting idea when I did a training session with him a couple of years ago. He was talking about the exit portion of the stroke when using a GP. As a demonstration we stuck the paddle in next to our hip with the paddle at about a 30 degree angle. Then, rather than pulling back with the paddle we just lifted straight up. Although nobody was setting any speed records it was clear that lifting the paddle straight up with the paddle angled was producing some forward momentum *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Wed Sep 08 2004 - 05:05:35 PDT
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