On 2007-09-08 21:40:35 -0400, Larry said:

in powerboats like trawlers, motor yachts, bubbleboats. Anything
guzzling that kind of fuel is making a LOT of waste heat and simply
dumping it overboard.

You might be surprised. Friend had a 42' trawler that used about 1 gph
to go 8-10 knots. New boat is 55', but still only uses about 3 gph for
slightly higher speeds. There's not that much waste heat to use.

--
Jere Lull
Tanzer 28 #4 out of Tolchester, MD
Xan's new pages: http://web.mac.com/jerelull/iWeb/Xan/
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