In a message dated 11/24/99 9:37:17 PM Eastern Standard Time, romeug_at_erols.com writes: << I would think that geared paddle wheels would be a more efficient means of propulsion. flotation devices at the end of the hubs for tipping would allow for a very narrow hull. Anybody have any thoughts on this? >> Yeah: Rotary motion is more efficient than reciprocating motion. The trade off is on loss of mechanical efficiency in a gear/drive shaft system (although this may be negligible). The best may be a simple propeller as on a sailboat, the kind that folds up when not spinning. Peddle powered kayaks are an interesting concept that appears to be only useful on a sit-on. I certainly would not have room for pedals in my touring boat, unless I chopped a clearance hole for my knees in the deck. *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Wed Nov 24 1999 - 19:04:27 PST
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