Subject: Re: [harryproa] Electric drive for Harryproa
From: "Rob Denney" <>
Date: 4/4/2008, 12:23 AM

> On Thu, Apr 3, 2008 at 11:29 PM, George Kuck <> wrote:
> >
> >
> >
> >
> >
> >
> > Hello Rob
> >
> > Will you be designing beam mounted rudders for the 12 m Harryproa ? I do
> > like the aesthetics of the boat with rudders on the hull but if it works
> > better on the beam then that will have to be done.
> They are designed and ready to go. Just waiting for the full size
> tests on Blind Date (they broke a test shaft last week. Took 15
> tons!). The visual and drag impacts are less than on the hull
> mounted ones, the steering is much easier (only one wheel, or two
> short tiller extensions) the weight is lower and they are easier to
> build and to lift.
> Do you know anything
> > about the "E-Jet" ? The web sight did not seem to have much details (in
> > English anyway) and I believe I have heard negative things about the company
> > recently in the electric boat forum. It may be that it is only a concept
> > motor design at this time and not yet in production, but it does look like a
> > neat motor. I wonder how expensive it is and when it will be available ?
> > The Re-E-Power looks good and it is in production in the US so the company
> > would be easier for me to deal with.
> I have written to E Jet, nothing back yet, will let you know. Re E
> Power sound like a really good crowd to deal with, as are the Green
> Motion people in South Africa. The whole electric boat thing is
> moving ahead in leaps and bounds. This thread is moving me nicely up
> the learning curve, so please keep it going.
> JT, put one electric motor on one rudder and lock it. Put the
> autopilot on the other rudder.
> > Have a nice day and good sailing,
> Ta, you too.
> Regards,
> Rob

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