Craig Jungers wrote: > Speaking of wing paddles: Matt Broze has a wonderful way of grounding things > in logic. One of the things Matt triggered in me is a question of whether a > "wing" paddle actually works like a wing; with low and high pressures, etc. > Since water is, for all practical purposes, incompressible, the idea of low > and high pressure should only be considered in terms of depth. Hunh? Hydrofoils make use of high and low pressure to produce lift. The Bernoulli effect is operable in water and other incompressible fluids. Why would any paddle not produce high and low pressures in water? Just because there is only an extremely tiny change in volume when water is compressed does not mean the pressure change is small. See: http://en.wikipedia.org/wiki/Hydrofoil -- Dave Kruger Astoria, OR *************************************************************************** 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 Fri Feb 19 2010 - 00:10:29 PST
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