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The beginnings of our watertight battery box in the bilge, key to an all electric boat 

Sustainable Sailing
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This is a key step in the conversion to Vida being a fully electric, zero carbon footprint boat.
We have 8 batteries that are going in bilge and to protect them they will be in a fully watertight compartment. In this video the saloon floor get cut away and the bilge prepared.
Two and a half years ago, when we bought Vida, she was in a very tired and damp condition with all original equipment and fittings (much of it not working).
We have removed all the gas, diesel, and paraffin equipment as well as all the plumbing and electrics. We have composting toilets, are installing an electric motor and all electric cooking. We are fitting a huge solar array and probably a wind generator. We have replaced all the windows, removed all the headlining and more. We are replacing all the standing rigging with Dyneema synthetic rigging.
This is the biggest sustainability project of our lives as we prepare for a retirement when we want to cruise the world using zero fossil fuels on a very low budget.
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#BoatRefit #sabbatical #forecabin

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23 май 2022

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Комментарии : 5   
@rickytapper9779
@rickytapper9779 2 года назад
Love your channel!. I have a quick question. You have two rows of batteries - one on top of the other. Are you separating them so that the batteries do not rest on top of one another? Also, how will you get to the batteries on the bottom without having to remove the batteries on top first - to check them out. I am asking because I face the same dilemma...
@SustainableSailing
@SustainableSailing 2 года назад
They will be partially separated by supports for the upper batteries so that they don't rest on the lower batteries. Anyway the ends of the upper batteries touch the hull before the lower batteries so it is also about stopping them chafing the hull. We won't be able to get to the lower batteries without removing the upper ones, but the lower 120Ah batteries have a Bluetooth bms (only one of the 300Ah ones does so that will be the least accessible). I'm most concerned about the fuse. I understand it should be as close to the 1st battery +ve as possible but that will make it very inaccessible.
@rickytapper9779
@rickytapper9779 2 года назад
@@SustainableSailing Thank you for replying. That's a good idea. I would put the fuse on the opposite end. There is only the requirement for distance to be the same between batteries in a bank to reduce resistance - not where you decide the bank head is. Given that you are using what appears to be 4/0 cable, you should not see resistance.
@SustainableSailing
@SustainableSailing 2 года назад
I've rechecked ABYC. Fuse needs to be within 7", call it 150mm. So I can put the fuse in the motor compartment on the outside of the watertight gland. That means I can get to the fuse without needing to open the battery box. It will still be 1 foot above potential bilge water.
@rickytapper9779
@rickytapper9779 2 года назад
@@SustainableSailing This is all great news. Thank you. I have a lot to think about now.