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Old 07-12-2020, 15:45   #601
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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Originally Posted by CatNewBee View Post
http://nauticmag.com/2020/12/07/elec...jimmy-cornell/

good read for some e-propulsion proponents, when reality hits dreams.

Hey CNB, from that article it looks like the big problem was the daily draw of cooking and water making for five people (as well as 2 fridges, electric winches, and all the other usual loads) and the regen and 1kW of solar panels not making enough to keep up with that demand.

Iím looking to switch to electric galley when I install my LFP system, but am starting to get worried about the amount that will draw through daily use. Iím told itís about 150-200 Ah (12V) daily for two people. Is that your experience?
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Old 07-12-2020, 16:05   #602
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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For that i would go hydro before adding more solar.
https://www.wattandsea.com/en/produc...ydrogenerators
The new pod600 looks promising for cats
The regen system is already hydro via the 2 props, adding additional hydro slows them even more down and doesn't work, oceanvolt would have added a more aggressive regen props if they could,they know their stuff...
Adding as much solar as they can fit is the only zero emission solution that works additionally to the regen...2 superwind or d400 wind gen wpuld be a good add on too additionally to solar for cloudy but windy days...
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Old 07-12-2020, 16:10   #603
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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The regen system is already hydro via the 2 props, adding additional hydro slows them even more down and doesn't work, oceanvolt would have added a more aggressive regen props if they could,they know their stuff...
Adding as much solar as they can fit is the only zero emission solution that works additionally to the regen...2 superwind or d400 wind gen wpuld be a good add on too additionally to solar for cloudy but windy days...
Except the watt & sea is not I repeat not a regeneration system it is a designed hydro generator .
You should read the links i posted. Avoids lots of confusion.
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Old 07-12-2020, 16:10   #604
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

I think any successful electric propulsion projection will have to rely on multiple sources, no single one. Solar is just much easier to beef up. Especially if you start making custom panels that follow the shape of surfaces to cover, instead of putting fixed size large rectangles where they can fit.
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Old 07-12-2020, 16:32   #605
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

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Originally Posted by newhaul View Post
Except the watt & sea is not I repeat not a regeneration system it is a designed hydro generator .
You should read the links i posted. Avoids lots of confusion.
The regen part of the oceanvolt via the props is a hydro gen too.
As the watt&sea is a pure hydro gen it can be better optimised then a prop doing propulsion and regen of energy. Adding additional hydro makes no sense but adding different zero emission charge possibilities like solar and windgen is the right solution....
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Old 30-12-2020, 14:19   #606
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

@CatNewBee

Great install!

I was looking at bigger cells and was considering the 700Ah Winston and the 1000Ah versions for a 12v pack. The 700ah versions have the advantage of being symmetrical from a terminal standpoint so making the series connection and just a matter of rotating the cells during assembly.

The 1000ah have the terminals on one end and it looks you would need to put them "nose to nose" to make the series connection which make for a long batter pack. Did you install nose-to-nose or did you just make custom cables?

I went thru the thread and didn't see a pic, but if I missed it apologies in advance.
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Old 13-01-2021, 05:45   #607
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

4 x 1000Ah cells in a row, custom made bus bars / bridges from solid copper rod 30mm x 5mm square, easy to connect, on one side are three plus on the other 3 minus terminals. just a short bridge from one cell to the other.
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Old 13-01-2021, 14:48   #608
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Re: Merged LiFeYPO4 1000Ah Winston prismatic cells and all electric galley...

Ok, got it now. Thank-you!
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