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Hi Roger,
Try fiddling with the venturi adjustment on the side of the G250. That's the
clever little switch near the mouthpiece that is impossible to adjust if you
even OWN a pair of gloves.
If that doesn't work, then perhaps your intermediate pressure is too high. I
doubt if that's the case, because the G250 is a simple mechanism, and should
work within a fairly wide range of intermediate pressures.
Do you have the owner's manual? If you don't, let me know and I will fax you a
copy.
Andy Cohen
______________________________ Reply Separator _________________________________
Subject: Reg breaths too easy
Author: Roger Carlson <rgc@co*.sp*.tr*.co*> at ~INTERNET
Date: 7/21/95 5:08 PM
OK, here's one for you. I switched my primary from a Dacor Extreme to a Scubapro
G250. I like the Extreme a lot, except it breathes a little dry, as non-metal
regs often do, and it works less well after I put my 120 down on it. There's
just one thing about this Scubapro: it breathes too easy for me. Now, it is
adjustable, so I just crank it down and fix the problem, but I have to crank it
wayyyy down, *well* past the point where any trickle of air stops. There's a
wide band of adjustment where it just takes a little, too little for me,
inhalation pressure (or a bit of water current) to get things flowing, and when
the venturi is on, it keeps flowing. I feel like I put my mouth right on my tank
valve. I've found I *like* a little bit of breathing resistance. With this reg,
my air consumption is way up and my breathing pottern is messed up. I'm going
back to the Extreme, but here's my question: can I / should I get used to low
resistance regs? I've heard that a reg with high breathing effort is wasting
energy and therefore air. Is it a significant amount? If I can find a breathing
pattern that is used to less resistance, will I be using less air?
#-------------------------------------------------#
Roger Carlson 310-376-4437 h
Somewhere off Hermosa Beach, Cal 310-812-0430 w
rgc@co*.sp*.tr*.co* 310-812-1363 f
#-------------------------------------------------#
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