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From: Jim Burgoyne (no email)
Date: Thu Jul 07 2005 - 02:00:54 EDT
Hmm, and of course we are talking about a spinning propshaft that is
no longer attached to an engine. That would be very useful if there
was a setup for that. I plan to pull the engine, but I have no
intention of messing with the prop thru-hull in case they invent the
hydrogren auxillary (Anyone see Bush's new conference in Denmark
yesterday? He's working on it :) or just decide engineless is not
really for me.
Also be curious if there is a prop designed to just spin in the water,
rather than drive a boat. Big and light, keeping drag to a minimum.
Maybe there an invention in the offing.
Maybe the Duo-Gen is the ticket. Don't know if I've ever seen one, but
would be curious if anyone here has one and what they think.
Thanks for the help.
Jim (in Thailand)
> Date: Wed, 6 Jul 2005 07:46:04 +1000
> From: "barry Brazier" <>
> Subject: Re: Re: engineless
>
> In a kit that was available 10 years ago. a 10" wheal drive was attached to the propshaft just aft of the gear box. and the alternator had a 3" wheal.
>
> ----- Original Message -----
> From:
> To:
> Sent: Tuesday, July 05, 2005 2:38 PM
> Subject: Re: [world-cruising] Re: engineless
>
>
> Haven't done it myself, but I would think you would need a bracket to hold the alternator near the prop shaft with a pully attached to the shaft and a fanbelt connecting the 2. Then as the prop free-wheels the pully turns the alternator. Of course, the added drag will reduce speed but that's probably not a big concern of yours. Also, a high output alternator will require a fair amount of effort to turn.
>
> Sincerely,
> Larry T (Catalina 27)
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