[PSUBS-MAILIST] Power sources

[Rick Patton via Personal_Submersibles]

Thanks Jon
How do I pay for the stickers?
What are the dimensions and weight of the Lifepro batteries and are you
still using 4 per pod? Sounds like they are lighter? if so, how did you
compensate for the weight difference?  What were the costs of each?

Rick

On Sun, Jun 18, 2023 at 4:04 AM Jon Wallace via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Rick, this is the primary reason I am switching to DIY lifepo batteries.
> The K-boat battery pods make dealing with standard batteries difficult
> especially given their weight.  When I was with Dan Lance earlier this year
> he had a battery that did fit but only without the removable tray in the
> plans.
>
> I can send you stickers.  I’m out of town until mid week so will contact
> you then.
>
> Jon
>
>
>
> On Friday, June 16, 2023 at 02:29:59 PM EDT, Rick Patton via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> I had some difficulty in inserting my batteries the other day into the
> pods because of how close the battery lugs were to the wall of the pod. I
> had built an aluminum tray for the batteries to make it easy to install and
> remove them for maintenance and used 1/4" aluminum flat bar to fabricate
> them but I had to do away with the trays because of clearance issues and so
> even though that only bought me a 1/4" of an inch, I needed all the help I
> could get. It also helped in having the battery cables slide over the tops
> of the fill caps more easily when attached to the all thread that passes
> the power into the sub as they flex and bend when pushing it in after
> attaching.
>
> Anyone else that is building a K-350 have that same problem? I welded two
> pieces of SS angle in the pods for the trays to slide on and can't remove
> them and lower them as they were put in before I welded the ends on. As
> they go down, they come together being pipe so I couldn't of gone much
> lower with them and still have the horizontal room to fit the batteries.
>
> I also wanted to buy a couple of Psubs stickers that I have seen on other
> peoples boats and tried to do that on our web site but I didn't have any
> luck finding the store that would have them for sale. Any ideas?
>
> Rick
>
>
> On Fri, Jun 16, 2023 at 7:20 AM John Bussard via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Grateful for all the info here.  While I was vague and only stated “Li
> ion” I definitely have no fixed start point, so this is all good to learn
> about.  And certainly echo Busby that one needs to consider weight for
> ballast purposes as well.  I’ve spent most of my life around airplanes, so
> a slightly different approach to weight reveals itself, though CG
> management is a common theme here.
>
> Thanks to all for the info and discussion.
>
> On Jun 3, 2023, at 7:51 PM, Michael Holt via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> I was sent some *Waterways World* magazines from 2020, a couple of years
> ago.  There are advertisements for electric power systems for canal boats.
> They start with diesels tied to generators tied to batteries that drive
> 48VDC motors.  There appear to be versions that have no diesels involved,
> and the batteries are recharged from shore power.  In the UK, that's 230VAC.
>
> If anyone's interested, I'll dig out the magazines and make a list of the
> websites.
>
>
> Mike
>
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20230618/333f6580/attachment.html>