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I've read somewhere (maybe here?) about how the use of propellers will be partially eliminated in the future by propulsion systems that use the undulation (back and forth (left/right? up/down?)) of a fish. Not only is it supposed to be more efficient, but it's supposed to be quieter, too. Anyway, I noticed on Seaquest DSV the other night that they showed a small (and FAST!) one-man submersible using that technology. (Now, whether they created it from their imagination, or if they extrapolated from current research, I dunno.) Does anyone know about this research and how -- mechanically -- this could possibly be more efficient that a spinning propeller? I would think that the start/stop/reverse process involved would involve much more stress/friction/complexity than a spinning propeller... -- Robert -------------------------------------------- E-mail: RLaird@pe*.co* (Robert Laird) Phone : 713-627-4323 Fax: 713-989-3086 Trunkline Gas Company, a subsidiary of Panhandle Eastern Corporation, Houston, TX -------------------------------------------- 01/10/95 12:39:47
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