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Date: Thu, 21 Sep 1995 04:01:24 -0500
To: techdiver@terra.net
From: mdufour@CA*.OR* (Marc Dufour)
Subject: Why a pony gauge - and yet two other questions...

I'm glad to see the list is back to normal: you ask a question, and you get 
tons of answers, from both pro and con sides.

Okay, I've got a better whole picture. 

I suppose that I'll follow the tiny pony tank gauge way, either at once or 
eventually, along the following lines:

- I don't plan on looking at the gauge while using the pony. When I 
bail-out, I bail-out, and I don't plan to dive deep (more than 30m) until I 
have at least 150-200 dives. Since my pony is 14 cubic feet, I can get up 
and do the safety stop comfortably with that.

- I like the idea of a gauge, because I don't necessarly have to check the 
pony with 3 full breaths each time I hit the drink. Of course, it could be a 
good idea to "rotate" the air in the pony...

- Someone pointed out that the tiny gauge has only one O-ring that could 
fail. So has the plug that would otherwise go in the HP port... Of course, I 
don't mean to think that the gauge itself won't ever blow up, but I can live 
with that probability...

*HOWEVER*

I completely forgot to mention that the pony has a J-valve (I use what I can 
find)... I don't think it would be a good idea to dive with the reserve up, 
but, still, it could be a good way to know when my time is up (pun intended) 
when I do my safety stop...

So, the other question is:

Is it wise to use the reserve with a pony tank???

And, how often do you "rotate" the air in your ponies?

Remember, I *don't* plan to do deco dives for the foreseeable future.

Thanks!

----  ====================================================  ----
America has the largest number of functional illiterates in the 
     industrial world. (Richard Lamm, Uncompetitive Society) 

* Marc Dufour * [\] ACUC 6 31874 * http://WWW.CAM.ORG/~mdufour *

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