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[Nemrod]

Not deep enough but you don't need to go deep, you just have to use the regulator so that it settles in before doing the final tune. Sounds like a lot of trouble, maybe, but once set this way it will remain in good tune for the full season so in the end it actually requires less work and I don't have to setle for a heavy breather.

James

[Bryan]

".... As to second stage spring force vs IP I do a rough setting and then dive it in the pool, I then adjust it again and dive it again and so on until I have a setting that performs well and yet is still stable. By stable I mean that it does not freeflow when it should not, is not jumpy, performs the same way at all depths and the same every day. ....

Nemrod, Excellent information! OBTW, how deep is your pool?

For those who aren't as mechanically inclined, remember you can elect to have Bryan install and adjust your Phoenix RAM for you.

Just my 2 cents here…..Luis, Nemrod, Ryan and a few of you other Cowboys are experimenting with the edge of the envelope as far as the performance a RAM and a Phoenix can provide. This is how we find out what works and what does not! Excellent stuff and I support and encourage it 110%...But just to make it clear that these are experimental settings….Caution is your friend here……If I have done your Phoenix conversion your IP has been set to 145-150 psi and your 2nd stage LP nozzle is set per the USD manual for the RAM. In My Opinion this setting provides excellent performance and reliability to start with. Ramble On!

[standingup]

"No again, the DSV valves I have seen have a tube inside a tube that closes the mouthpiece"
Nemrod thanks for the info, it saves me from looking for a DSV

[Nemrod]

I am not really all that edgy. I am using 145 PSI plus or minus 5 PSI.

What got me thinking about my method (post rebuild) is that I would set the regulator per the manual and then come back a week later or after using it on a dive and it would have a different IP even at the same tank pressure. This was aggravating, it should stay close to the same. At first I figured, oh well, it was the nature of the beast but then I noticed that after this initial change the regulator would become increasingly stable. Soo, I like to tinker so I reset the IP and then I noticed it would remain very close. So there is no magic or voodoo or out of the ordinary stuff going on, I am just doing the final setting after the seals, seats, springs etc have taken a set. In this way my IP remains more stable for longer periods of time.

Is this last little bit of tuning required--NOOOOOO---it just helps make a sweet breathing regulator--uh---sweeter and ultimately more reliable.

James