Sunday, August 22, 2021

Ang.:[electricboats] Finally Starting The Build

I'm all in for brass bolts and nuts !

As an aircraft mech (hobby), I would do like this :
If you want all the contact you can get, avoid Loctite and use safety wire (stainless soft wire, not the one from your shelves in your home workshop).
Drill holes in the bolt heads, and follow the general pratices for this kind of work, or you might end up doing worse than doing nothing at all.
Tons of info on the 'net on how you do it.
Remember to buy a safety wire twister, saves a lot of hand work, and the twists looks nicer too.
That will work, and you can always unscrew your bolts without any hazzle.


På fre., den 20. aug. 2021 klokken 9:31, Randy Cain
<randylcain@gmail.com> skrev:
Finally starting to build the first of four 32s batteries for my boat. These are EVE 280Ah LiFePO4 prismatics. I ordered 134 of them just as the pandemic was starting. There will be 4 battery banks of 32 cells each (one in each of the two bows and one in each of the two sterns) for a total of around 114kwh of energy storage. Even after 18 months in their boxes, they are all still within +-0.001 volts of each other (3.295) and within +-0.01 milliohms (0.18 mohm internal resistance). Next step is Locktite and torque wrench to set the 40mm grub screw terminal posts.
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