Tuesday, August 30, 2011

Re: [Electric Boats] No sailed, solar powered cruiser (40-60 feet)

 

That should give you about 300 square feet of solar panel. The boat is powered by two 300Hp V-8 engines. That tells us that it has a planing hull form. After removing and selling the engines and drive train, you'll have room for a lot of batteries in those hulls. Right now, it has 8.5 knots hull speed. You'll want to have the hulls modified to make them displacement hulls to reduce drag. I did that to my 12' jon boat by adding hull extensions to the transom and it improved the cruising speed, and therefore range, too.

--- In electricboats@yahoogroups.com, James Sizemore <james@...> wrote:
>
> Just on a whim I went searching for his 65000 dollar cat in good condition ie floats. And I was able to find one. If he removes the fly bridge and the crappy RV a/c, he would have about 15 by 30 feet for solar cells, it being aluminum it is surprisingly light 7500 pounds, it might make a pretty decent electric power boat.
>
>
> http://www.yachtworld.com/core/listing/boatMergedDetails.jsp?boat_id=2385056&checked_boats=2385056&ybw=&units=Feet&currency=USD&access=Public&listing_id=1779&url=&imc=pg-fs
>
>
>
> On Aug 22, 2011, at 1:24 AM, Kevin Pemberton <pembertonkevin@...> wrote:
>
> > Hey Bill,
> >
> > I would not worry about an array that follows the sun. Consider that
> > response time would have to be as fast as any wave or other disturbance.
> > The gain would be lost with constant correction.
> >
> > I think most cats used for engines are replaced till the hulls are no
> > longer sea worthy on such craft. Hope you find one.
> >
> > Kevin Pemberton
> >
> > On 08/17/2011 10:07 AM, Galstaf wrote:
> > > How tall would you make the vessel, what should I consider in terms of
> > > weight and positioning of the array?
> > > Is there a practical way to make an array of this size "directional",
> > > i.e. follow the sun.
> >
> > --
> > AspireOne Netbook running Ubuntu 11.04
> > Safe, Secure, Easy to use, Free Open Source Linux OS.
> > Leaving Virus worries to the Windows Users!
> >
> >
>

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