[PSUBS-MAILIST] Battery Pods Question

Wed Jun 20 05:48:46 EDT 2018

Hi steve
Thanks, i'll check it out.

On 19 June 2018 at 16:43, Steve McQueen via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:
> James, if you look in the Psubs site under Projects, PC-1402 battery pods, submitted by Steve McQueen, you will see some photos of how Perry did it for the PC-14s. They had some overlap but could afford the extra size.
> Thanks,
> Steve
>
> ---- Rick Patton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> Hey James
>> My vote then would be to just flush the ID of the flange to the ID of the
>> pipe with a full penn weld and call it good.
>> Rick
>>
>> On Tue, Jun 12, 2018 at 8:05 AM James Frankland via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> > Hi Rick,
>> >
>> > No, its not done.  The first pic was of the Ksub.  Those flanges were the
>> > ones that had the overhang.  I have not started on the flanges for the new
>> > one.   I am investigating....
>> >
>> >
>> > On 12 June 2018 at 15:08, Rick Patton via Personal_Submersibles <
>> > personal_submersibles at psubs.org> wrote:
>> >
>> >> Sounds like it’s done already? If you are happy with the quality of the
>> >> welding , then can you notch the flange only where the tray hits?
>> >> Rick
>> >>
>> >> On Tue, Jun 12, 2018 at 6:59 AM James Frankland via Personal_Submersibles
>> >> <personal_submersibles at psubs.org> wrote:
>> >>
>> >>> Hi Guys,
>> >>>
>> >>> Brian.  The flanges are welded to both the tube and endcap.
>> >>>
>> >>> Rick.  The reason I made them protrude onto the inside is because I
>> >>> wanted plenty of material at the joint, and didn't really know any
>> >>> different.   I just made it like a hatch which protrudes on both sides.
>> >>>
>> >>> Sounds like the flush method will be ok.  It will be full penetration
>> >>> welded of course.
>> >>>
>> >>> Thanks
>> >>> James
>> >>>
>> >>>
>> >>>
>> >>> On 12 June 2018 at 14:44, Rick Patton via Personal_Submersibles <
>> >>> personal_submersibles at psubs.org> wrote:
>> >>>
>> >>>> What was your reason for having the flange come in less than the ID of
>> >>>> your pipe?
>> >>>>
>> >>>> I did mine flush like Hank did and one thing that comes to mind is that
>> >>>> it would create an area that might be hard to see and effectively wire
>> >>>> brush or grind to deal with future rust down the road? That was something
>> >>>> that I thought about for the hull side of the web on my T bar frames.
>> >>>> Rick
>> >>>>
>> >>>> On Tue, Jun 12, 2018 at 6:08 AM hank pronk via Personal_Submersibles <
>> >>>> personal_submersibles at psubs.org> wrote:
>> >>>>
>> >>>>> James,
>> >>>>> I can't see any real benefit to having the flange ring protrude inside
>> >>>>> the pod.  If the ring is flush with the inside, the load still transfers
>> >>>>> directly onto the pod wall.  You can still have a full penetration weld
>> >>>>> from one side and grind it clean on the inside.  So why not? that would be
>> >>>>> how I did it, and you really have no choice if you need the height for
>> >>>>> batteries.
>> >>>>> Hank
>> >>>>>
>> >>>>> On Tuesday, June 12, 2018, 5:44:49 AM MDT, James Frankland via
>> >>>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> >>>>>
>> >>>>>
>> >>>>> Hi All
>> >>>>>
>> >>>>> I am making new battery pods for Skadoc.  I am thinking of making
>> >>>>> the removable ends slightly different to how I did it on the K.  On that, I
>> >>>>> put the flanges on to make like a standard flanged end.  However, I made
>> >>>>> them like you would a hatch, ie with the centre of the flange being welded
>> >>>>> to the centre of the tube.  So there is overlap on both sides of the ID and
>> >>>>> OD of the tube.  Bit difficult to explain.  Pic here of the K ones when I
>> >>>>> was making them.
>> >>>>>
>> >>>>>   K350 pod ends.
>> >>>>>
>> >>>>> The problem with these is that the overlap onto the inside diameter of
>> >>>>> the tube makes the hole smaller and you cant slide the trays out.
>> >>>>>
>> >>>>> With the new one, I have made rolling trays and I want them to slide
>> >>>>> straight out.
>> >>>>>
>> >>>>> So, I am thinking I can make the flanges flush with the inside
>> >>>>> diameter of the tube.
>> >>>>>
>> >>>>> I have not started this part yet, so any advice greatly appreciated.
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> Not a very good picture, but new trays with rollers made.
>> >>>>>
>> >>>>> Thanks
>> >>>>> James
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> _______________________________________________
>> >>>>> 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
>> >>>
>> >>
>> >> _______________________________________________
>> >> 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