Rosalie B. wrote:
> On Sat, 26 Jul 2008 10:51:07 -0400, you wrote:
> 
>> This is pretty cool but it brings up a question that I have been wondering
>> about.
>>
>> Why is it that on something like this or even a car that they run an
>> internal combustion motor and electric motor instead of just straight
>> electric with a generator that runs the electric motor when the batteries
>> are low?  This is how trains work why not everything that is a hybrid?

Because it is too expensive right now to have that 
much battery capacity, mostly.

   In
>> this case there is already a generator on the boat so why even have the
>> diesel motors on it?

Well of course the generator is turned by 
something, but I get your point. And I agree.

   Why not have the generator sized so that the 
electric
>> motors can run right off of it?

Good question. That is how more and more ships and 
now some yachts are doing it.-Ken

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