[PSUBS-MAILIST] Scuba Tank Purchase Questions

[James Frankland via Personal_Submersibles]

Steve.

Great name.  I had to think about it for a moment though... :)  Make sure
you pack a baseball glove and ball in, just incase you get stuck in
solitary...

Ive actually got the exact model of bike he jumps over the fence with at
the end.

Anyway, like everyone has said, DIN.  The ones you get here nearly always
have a screw in adapter for yoke fitting.
Regards
James



On Thu, 20 Feb 2020 at 16:57, Steve McQueen via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Cliff, thanks. Good to hear about actual field issues. I will reconsider
> my thoughts accordingly.  I have completed my contribution for Pisces VI
> and have refocused on finishing my project. Having your own compressor is a
> nice advantage. Are your MBT HP tanks aluminum or steel?
>
>  My K-250 is named "The Great Escape" (get it?).
>
> Steve
>
>
>
>
>
>
> On Thu, Feb 20, 2020 at 11:36 AM Cliff Redus via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Steve, if it were me, I would go with DIN fitting on scuba tanks.  About
>> 2 years after I built my boat I had an O-ring blow while I was on the boat
>> ramp ready to launch. If this would have happened during a dive, I would
>> not have been unable to blow my MBTs by myself.  I would have had to have
>> divers to manually inflate my MBT with open vent ports.  My experience is
>> that most scuba shops can fill scuba tanks with DIN connections.  After the
>> incident, I switched my MBT HP air supply to DIN values and have never had
>> any trouble since then.  Also, last year I purchased a portable scuba
>> compressor that came with an adapter to let you fill Yoke or DIN valves.
>> Also this compressor is capable of filling a steel HP tank if I want to.
>> To me, the real benefit of steel tanks with DIN connections is the ability
>> to fill to a higher pressure.  If you don't need the higher pressure, then
>> aluminum are lower cost.
>>
>> We are all looking forward to your sea trials for your lime green K250.
>> I love the paint job on your boat.  Has she got a name yet?  I am surprised
>> you have had any time to work on your boat with the PLC work you been doing
>> for Scott on his Pieces 6.
>>
>> Looking forward to catching up with you this year at one of the psub
>> events.
>>
>> Best
>>
>>
>>
>> On Thursday, February 20, 2020, 09:54:59 AM CST, Steve McQueen via
>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>
>> All, getting ready to buy 2 scuba tanks for my K250. Just wanted to see
>> if anyone had an opinion of my thoughts?
>>
>> 1) Choosing steel vs. aluminum (prefer its weight/buoyancy
>> characteristics)
>> 2) While I was wanting as much air volume as possible I decided against a
>> HP version as I have heard most places won't (can't?) fill to that capacity
>> anyway
>> 3) Deciding on standard pressure steel 80s with K-valve (yoke fitting)
>>
>> I've been watching for a while (including Black Friday) but it seems
>> there isn't much mark up and these tanks don't appear to go on sale.
>>
>> Thanks,
>> Steve
>>
>>
>>
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