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Showing results 1 to 11 of 11
Search took 0.00 seconds. Search: Posts Made By: Q Xopa
Forum: Plumbing Systems and Fixtures 06-02-2019, 11:12
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Any more clues than "you didnt care for it". Its not much to go on.
Maybe it froze you lettice? Left the icecream soft? Sucked your batteries down? Or maybe the chemistry just wasnt there?
Forum: Plumbing Systems and Fixtures 06-02-2019, 11:06
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Sounds good, I like your reasoning.

That idea of using solar to freeze your cold plate sounds good. It almost sounds like fr.... eeer, ooops nearly used thr 'f' word. I mean 'utilizing previously...
Forum: Plumbing Systems and Fixtures 06-02-2019, 01:32
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Sure.

Again agreed no such thing as free anything. I guess Solar power when your batteries are topped off could be termed more correctly already paid for.

So I guess to keep everyone happy,...
Forum: Plumbing Systems and Fixtures 06-02-2019, 00:20
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Ok sure.
So do you have any data to back up your alterative of how comparable battery Life cycle cost is to Cold plates?
Forum: Plumbing Systems and Fixtures 05-02-2019, 23:03
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Ok, I agree with everything you say. Im also not opposed to batteries.

However Im not sure of exactly what you are trying to say?

The thread is "Solar powered Refrigeration". Perhaps Im wrong...
Forum: Plumbing Systems and Fixtures 05-02-2019, 08:25
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Did I miss someine pushing the line that Cold plates create energy?

As for batteries storing energy more efficiently yes maybe.

However I would argue that if you can store 'free' energy, or...
Forum: Plumbing Systems and Fixtures 05-02-2019, 07:32
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

'Amortized'. Sounds suspiciously like an accounting principle.

Wasn't someone warning about thread drift a few posts ago?
Forum: Plumbing Systems and Fixtures 05-02-2019, 06:26
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Yeh ok sure, as you correctly say nothing is 'free'.

Correct you do need to buy Cold plates, batteries, solar panels, diesel engine with alternators or EU220i's etc.

However what I more...
Forum: Plumbing Systems and Fixtures 04-02-2019, 23:16
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

TXVs and Phase change aside.

Flywheel effect of Eutectic is part of the story.

The reason that can work so well is 'coldness' can be made and stored when energy is cheap, or free like Solar....
Forum: Plumbing Systems and Fixtures 29-01-2019, 22:48
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Yes true. You need a correct compostion of the eutectic solution, ie correct ratio of glycol or salt to water to get the phase change to match the temperature set point. This could be messed with to...
Forum: Plumbing Systems and Fixtures 27-01-2019, 21:34
Replies: 146
Views: 19,541
Posted By Q Xopa
Re: Another look at Solar Powered refrigeration on sailboats

Re block of cold stone vs Eutectic plate. Eutectic plate works the same as the old block of ice from the ice man. It is a phase change, ie from solid to liquid, Latent heat.

So you can get more...
Showing results 1 to 11 of 11

 
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