Hi Kirk,
If you look at the PDF document properties, this actricle was published in 1999. Looking at the drawings, it appears to be the same alternator that Polar has been putting on their DC generators for more than a decade.
http://www.polarpowerinc.com/products/generators/3-8kw_Lom-1003.htm
If you look at their merine offerings, they're using the 6250 alternator on almost all of them. They appear to be very good marine DC generators, and they come in 48V.
I looked at PolarPower diesel marine generators when I first started analyzing my conversion, but even the smallest was about the same size and weight of the Yanmar SVE12 that I was taking out of the boat. I would still have to retain a fuel tank, cooling water and exhaust system. If I went that route, the additional electric drive and batteries will would be bringing my boat's weight up and decreasing her sailing performance. So for me, it didn't make any sense. I would have been better off installing a new Beta diesel and calling it done.
But if I had a boat that was large enough to carry the extra weight and size of permanently installed marine genset, I would seriously look at the PolarPower offerings, I haven't seen any other alternatives that looks better.
Fair winds,
Eric
Marina del Rey, CA
--- In electricboats@yahoogroups.com, Kirk McLoren <kirkmcloren@...> wrote:
>
> http://polarpowerinc.com/products/pdf/6200_alternator.pdf
>
> Is this worth getting excited about?
> -Kirk
>
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