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  1. #151
    Join Date
    Jun 2001
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    3,052

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    Dan have you seen these?

    http://www.green-motion.com/site/

    Click on the "Technology" link. Apart from the whacking great wind generator on the top of the mast, I'm warming to the idea! They actually have their electric motors submerged - so they must be confident in their sealing arrangements, and 5 hours at 6 knots sounds like a half-decent endurance.

  2. #152
    maxi77's Avatar
    maxi77 is offline Registered User
    Location : Kingdom of Fife
    Join Date
    Nov 2007
    Posts
    5,394

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    Submerged motors are old hat, just look at all the deep diving submersibles manned and unmanned there are arround the world working every day, and have been since I worked with them in the 60s. Mind you 5 hours endurance is pretty poor compared to the ten times that my boat has.
    Peter

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