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#12
04-11-2009, 08:02 AM
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The front foils pivot on an axle driven by the moment arm of the kneel attached to your calves. The rear fixed foils act as a stabilizer. The lines and central spring on the kneel provide slight tension to aid in the return on the foils during oscillation. Cal said once you start oscillating the foils you don't really need the return tension anymore. Guys have been using oscillating foils for propulsion concepts for sometime. I even recall one at the first manned UW sub races in Palm Beach. If you're going to be in town, send me a PM.
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FKA, Inc. transcribed by: Rick Iossi 
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