Joe, due to your business, you would probably know, but I have a feeling that when a battery is pretty dead, the first few minutes charging will really make a radical difference to the power available. So, remembering that I am not hung up on keeping to 'green' charging methods, maybe just a quick run of a gas or diesel gennie could get such a situation turned around. Also, I think that there might be a situation where bubbles on the plates kind of 'insulate' a battery, as I have had some success with cars, by rocking the battery to allow it to bubble up to the top, leaving more plate area wetted. Again, another advantage of electric.
John
I'm following the string where electric out-of power situations could
arise. I
have a 36 volt system with a low voltage cutout of 30 volts. We launched one
time with a destination in mind but found that the battery pack had not been
recharged since the last outing and we had a low voltage problem when checking
the gages at the dock. Because of the nature of boats, however, we
were able to
travel 4 miles on that dead pack at 3 mph by running at low power. Can't do
that with an empty diesel tank. It's interesting that the fear of running out
of charge is so deep-rooted when you can always get more out of a
battery if you
just slow down.
Food for thought.
--
Joe Grez, President of PropEle Electric Boat Motors Inc. makers of
the Electric
Paddle
www.electricpaddle.com
joe@propelemarine.com
425-241-9241
10404 428 ave se, North Bend Wa, 98045
--
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