Thursday, September 23, 2010

[Electric Boats] Re: Alternative shallow draft propulsion

 

Yeh, that's my thinking, too. All of the solutions I've come up with are at the expense of efficiency.

--- In electricboats@yahoogroups.com, "John Kohnen" <jhkohnen@...> wrote:
>
> Low volume, high pressure jet drives like jetskis and outboard conversions
> are quite inefficient at low speeds. You'd have a heck of a time making an
> electric boat that'd go fast enough to be reasonably efficient with the
> typical jet drive. A tunnel stern of one sort or another would be a better
> bet. They act sorta like high volume, low pressure jet drives. But
> anything you do to accommodate operating in very shallow water will reduce
> efficiency to some extent.
>
> On Tue, 21 Sep 2010 06:48:45 -0700, Ric V wrote:
>
> > Locate a 25hp Tohatsu or Yamaha outboard jet drive with a bad powerhead,
> > adapt
> > an ETEK electric motor similar to how Myles did his Tohatsu....
> > Another option: adapt a jet drive from a wave runner to an electric
> > motor set up.
> > ...
>
> --
> John (jkohnen@...)
> If a man is to be obsessed by something, I suppose a boat is as
> good as anything, perhaps a bit better than most. (E. B. White)
>

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