[PSUBS-MAILIST] Battery boxes

[David Colombo via Personal_Submersibles]

Hank, Send pictures.

Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com



On Mon, Dec 10, 2018 at 3:27 PM hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Steve,
> I am told it may  fail, but I am not convinced.  I expect the contacts to
> carbon up but I am using big robust relays and I will drill them out.  They
> are pretty cheap to replace annually.
> The reason for putting them in the battery box is reduced cable length.  I
> have to have the weight of the batteries at the very back end of the sub
> for balance.  That means the cables would be 6 feet to the penetrator then
> to the relays then back out to the motors.  I would be running 50 amps 12
> feet.  I have a fairly small battery bank and don't want to waste power on
> long cable leads.
> I made the battery box today and it turned out great!
> Hank
>
> On Monday, December 10, 2018, 3:36:55 PM MST, Stephen Fordyce via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Hi Hank,
> I'm curious about how the relays will go (perhaps it's been done?) in an
> ambient environment.  Ie if they are sealed they might implode.
>
> Also what the oil might do with the arc caused by contacts making/breaking.
>
> Cheers,
> Steve
>
> On Tue, Dec 11, 2018 at 12:14 AM hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> James,
>  i decided to make a fibreglass box today by cutting up an old canopy.
>  i am killing two birds with one stone, because I have to get rid of it
> anyways.  I like it being Fibreglass anyways for safety reasons.  I am
> making it longer to accommodate relays also.
> Hank
> ps; how is your new build coming
>
> On Monday, December 10, 2018, 4:16:22 AM MST, James Frankland via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Old ammunition boxes are good for all sorts of things.  Watertight as
> well.  I've got loads in all sorts of sizes.
>
> https://www.ebay.co.uk/bhp/ammo-box
>
> On Sun, 9 Dec 2018 at 17:13, hank pronk via Personal_Submersibles
> <personal_submersibles at psubs.org> wrote:
> >
> > Hi all,
> > I am in search of some oil filled battery box's .  I just need the boxes
> not the batteries.
> > Any leads?
> > Hank
>
> >
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