It takes only a very slight edge-to-edge curve along the length of the blade to make to water shed smoothly as a paddle is drawn through the water. The obvious ridge along the length on the powerface of the Alaskan paddles is more than is necessary for the job. If the back of the paddle is left flat, the paddle will exhibit an airfoil effect and generate "lift" when one is sculling or rolling with the flat side down. I am one of those paddlers with the "garage full" of home made paddles. Chuck Sutherland *************************************************************************** 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/ ***************************************************************************
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