[Public-list] RE: ELECTRIC DRIVE

[George Dinwiddie]

Yes, the advantage of electric is not performance, but silence.  I knew
a naval architect on the CompuServe Sailing Forum who was considering
building a hybrid launch with a small gas motor in a well-insulated,
well-isolated box generating the electricity.  The concept was a bit
bulky for a typical sailboat, though.

 - George

On Tue, Sep 14, 2004 at 12:20:19PM -0400, Gordon Laco wrote:
> That actually sounds pretty good!
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> Gordon #426
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> > The manufacturer sent me an estimate based on the size, shape and weight of an
> > A30.  He recommends an an OZtwin motor, a battery pack (8 pcs of Leoch fiber
> > battery, 110 Ah each) that will provide 4 knots cruising speed with about 8
> > hours range. Full speed will be approximately 6½ knots and the range will be
> > about 1 hour.  Recharging is while underway (at a slow rate) or more rapidly
> > while plugged into shore power at the dock.  The performance is not great, but
> > it is the cost that really puts this option out of the box.  The cost of the
> > total system is about $7,000.00 US.  John Manza
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