Wednesday, August 31, 2011

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

 

And have her be double-ended at the waterline (no transom-dragging, please!)

-Tom

--- In electricboats@yahoogroups.com, Dennis Wolfe <dwolfe@...> wrote:
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> Prismatic
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> Prismatic coefficient describes the fineness of the hull. There is an
> optimum (lowest drag) coefficient for every speed/ length ratio.
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> A fine lined sailing hull might have a PC as low as 0.5 while a high
> speed planing hull would be upwards of 0.7
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> A flat bottom, rectangular plan view barge has a PC of 1.0
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> On 8/31/2011 4:04 AM, "hanermo" - CNC 6-axis Designs wrote:
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> > The only important characteristic is waterline length.
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> > Longer = faster.
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> >> Hey Dan,
> >> Do you have pictures of the mods you made to optimize the
> >> displacement hull? I am still learning all this stuff, so a website
> >> or any pointers you could provide to us would be extremely useful.
> >>
> >> Much obliged,
> >> Bill
> >>
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