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Forum: Plumbing Systems and Fixtures 07-02-2019, 13:33
Replies: 146
Views: 19,541
Posted By hellosailor
Re: Another look at Solar Powered refrigeration on sailboats

Insulation is cheaper than batteries, sure.
But insulation is MORE EXPENSIVE if it occupies more cubic feet, and you don't have more cubic feet to fill. Then the insulation requires a bigger boat,...
Forum: Plumbing Systems and Fixtures 07-02-2019, 13:17
Replies: 146
Views: 19,541
Posted By hellosailor
Re: Another look at Solar Powered refrigeration on sailboats

There could be a somewhat rational and objective way to quantify "this is too much insulation". Given that the space aboard any boat is limited, and that every cubic foot of space can only be traded...
Forum: Plumbing Systems and Fixtures 28-01-2019, 11:04
Replies: 146
Views: 19,541
Posted By hellosailor
Re: Another look at Solar Powered refrigeration on sailboats

No, you miss the point. Whether you store thermal energy in the thermal mass of a huge lock of stone (or meter-thick masonry walls in a home) or you store thermal energy by tying it up in the phase...
Forum: Plumbing Systems and Fixtures 27-01-2019, 19:17
Replies: 146
Views: 19,541
Posted By hellosailor
Re: Another look at Solar Powered refrigeration on sailboats

"around 17 hr per day where the fridge is warming up with no ability to take heat out of the compartment...this is why you need to include a battery."
Not really. Batteries store energy as...
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