I have been planning a new heavy displacement sailboat using NiFe batteries as ballast. I may need to add up to 1000 pounds but the batteries should provide most of the weight in a widened full keel.
From: electricboats@yahoogroups.com <electricboats@yahoogroups.com> on behalf of cpcanoesailor@yahoo.ca [electricboats] <electricboats@yahoogroups.com>
Sent: Thursday, December 14, 2017 3:58 PM
To: electricboats@yahoogroups.com
Subject: Re: [Electric Boats] Re: Introduction
Sent: Thursday, December 14, 2017 3:58 PM
To: electricboats@yahoogroups.com
Subject: Re: [Electric Boats] Re: Introduction
Any keel that has an outer shell which is filled with lead or iron pigs or shot could have part of that filling replaced with batteries.
I think salt water batteries would be very interesting in this application. Maybe they'd work in place of a water ballast tank if the battery was designed correctly. I read that the US Army used to use them, because they could ship them empty, then fill and charge them when needed. Here's a company trying to market a new formulation: http://blog.aquionenergy.com/
 | blog.aquionenergy.com Our energy storage blog is all about batteries for solar, grid-tied and off-grid living, green buildings, energy efficiency, and utility services. | |
Other batteries could also benefit from being below the waterline (if sealed) because they could be cooled by sea water passing by the keel.
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Posted by: Gene <gfusch@hotmail.com>
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