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post #21 of Old 01-27-2013
bobmcgov
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Re: Towed Generator that We Really Need

Quote:
Originally Posted by THEFRENCHA View Post
What about these ?
Hydrogénérateurs Watt&Sea : votre voilier autonome en énergie |
They are on most racing sailboat such as IMoca During the Vendee Globe and have proven to be effective and reliable with minimum drag
See the post directly above your post, where I refer to them as "the very best water generators." And I will quibble with your description of them as 'reliable'. At least three W&S hydrogenerators have failed in this edition of the Vendee, causing (indirectly) one sailor to retire from the race and the others to expend much effort on repairs. They probably all hit debris, but that fact touches on a basic issue with hydrogeneration. The units are all vulnerable to impacts & entanglement. Or shark attack, in the case of tow generators According to Beth Leonard, Water generators rated second (after watermakers) in the SSCA's "Products most prone to breakdowns" survey -- 28% per annum. Small sample size, but they do have a poor reputation for reliability. As do wind turbines. They work hard in snotty conditions.

A combined troller/generator as proposed by the OP would help mitigate the cost by serving two purposes; OTOH, it would suck to have thieves steal both your outboard & power generating device, or to hit a basking sunfish & lose not only your daily watts, but your water taxi too.

Buccaneer18, Grainnia
SJ21, Diarmuid
Albin Ballad 30, Fionn
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