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From: Kevin Redden (no email)
Date: Sat Aug 28 2004 - 15:48:46 EDT
> -----Original Message-----
> The concerns about the batteries causing he whole boat to become unstable is
> unfounded unless the dinette is located 10 or 15 feet above the water line.
> Not likely except on a megayacht.
> By my calculations 2000 A-H would equal the weight of about four or five
> normal adults males.
Arild,
The 8D batteries I'm familiar with come in a 220 AmpHrs and 165 pounds each.
That comes down to nine 8D batteries to get to 1980 Amp Hrs, for a total weight
(without boxes, cable and connectors) of 1,485 pounds (1,650 pounds if you want
to get over 2000 AmpHrs). That is more like eight 180 pound adult males.
That is indeed a significant amount of additional weight to be added that high
(in addition to the normal passenger and gear load), and will definitely raise
the CG of the vessel a significant degree.
If I was going to add that type of permanently installed weight in a vessel of
that size, I would want a naval architect to review the numbers and make sure
the boat's stability is not being compromised.
Kevin
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