Thursday, September 23, 2010

Re: [Electric Boats] Re: what are my electric options.......

 

On 09/23/2010 03:32 PM, epowermarine wrote:
> Here is a link to a 'handbook' detailing electric outboard options and installations (w/all the gubbins of course)for small boats. This should give you lots of background info to base your decision on.
> http://www.epowermarine.com/faq.html
>
>
Wondering:
How they manage yheir motor overheating? Eg. 5kW input power means a
heating power of at least 600W. In a small outboard type casing this is
too much! Do they have a blower taking fresh air from outside? Air plus
salt water sprays :-(

Ref: My experimental 10kW el-converted outboard could be, in long term,
used safely only up to about 1kW, as the motor got very hot inside the
box. In this case of 1kW input power, the heating power was less than 120W.

Well, Whisper XT has the motor in bulb with water cooling around. This
cooling system should work of course.

redu

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