Tidal power

roly_voya

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5 Feb 2004
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Hi all
Been looking at the reenial problem of batter charging and an idea occured which someone else might have tried. I will be using a towed genorator to provide power underway which gives 4-6A at cruising speed, ideal. At anchor this can be converted to a wind genny but on a tipical spot only prodeces a small amount of power intermitently when wind blows - not ideal. So what about? there is plenty of energy there for example on mt current mooring I have more than 2kn for about 12 out of every 24h but comercial systems dont kick in till about 3kn with the low speed turbines. So can I get or develope a turbine that will give the rquired revs (about 600) in a 2kn flow? anyone tried it. My initial thought are either a large fine pitch prop espended below a float so it dosnt sink at slack water or some form of funel to accellerate tide up to 4+ kn, possibly something like a conventional drogue.
 
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