6cf or 13cf Pony

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Diver Dennis:
I use a 13 as well.

I strap a 13cf to my doubles in drysuit diving for argon! :D
 
A lot depends on where you dive, your SAC, depth and other factors. For the conditions I dive in, a 13 works. If you are diving a drysuit, the water must be pretty cool...:D

Oh yeah, temperature makes a big difference. Tropical only for me...
 
*looks in the corner, where a set of doubled 14cf tanks rest* Sweet! I was wondering what I'd do with those :)
 
As a member of a Fire Department SCUBA Team, my recommendation is a 19 ft. pony bottle. We carry ours attached to the main tank as a redundant system. A 6 or 13 is just cutting it too close.
 
lamont:
What assumptions are you using? Using 1.00 cu ft / min SAC rate (elevated, ****-hitting-fan breathing), 1 min at depth, 30 fpm ascent rate and 3 min @15):

depth: 1 min * 5 ata * 1 = 5 cu ft
ascent: 4 min * 3 ata * 1 = 12 cu ft
stops: 3 min * 1.5 ata * 1 = 4.5 cu ft

that's 21.5 cu ft.

You know you do this a lot, Lamont. It seems like we have the same thread every day. :D
 
meesier42:
ok guys , thanks for the quick responses, but it is my practice when something fails, I bail out, ie head for surface

That is the best practice to try to do, but when accounting for the "what-ifs" of what might go wrong, getting delayed at depth needs to be considered.
 
TheRedHead:
You know you do this a lot, Lamont. It seems like we have the same thread every day. :D

I don't even respond to all of them... There's some pony mounting thread that's been active recently that I haven't even bothered with...
 
lamont:
That is the best practice to try to do, but when accounting for the "what-ifs" of what might go wrong, getting delayed at depth needs to be considered.

For me Lamont, the "what ifs" I worry about are getting to the places I dive. I've seen so many fatal car accidents in big Asian cities that I am worried about just getting there safely. Especially motorbikes. Very nasty.
 
I started out with a 13, decided to upgrade to a 19 when that pony failed and am happy with it at most depths I dive. If I'm going really deep, I take a 30 along as well with a third reg.
 

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