[PSUBS-MAILIST] Scuba Tank Purchase Questions

[David Colombo via Personal_Submersibles]

Hi Steve, I am using 3 alum 80's with standard yoke on the SeaQuestor.
Spare orings always available. I chose this over din, just for or the fact
that more tanks are sold with the standard yoke, and in the event i need
quick replacement tanks, i dont need to look for din valve tanks. The oring
issue we had on the gamma,  i believe was caused by an improper seating of
the whip to the yoke when the tank was replaced prior to the dive. It was
only discovered after we were on statation and turning on the air that it
became an exciting moment. In my predive checklist, all tank yokes are to
be checked by the same person after an oring inspection. And off course
spare orings on board the sub and support vessel.
David

On Thu, Feb 20, 2020, 7:54 AM 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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