On Wed, 21 Jun 2000 17:29:56 -0400, None None <[log in to unmask]>
wrote:

>I have only had a chance to do one real dive (60 ft.) with this reg, so
take that into account when you read what I am about to say.

Just a couple of quick comments from recollection.  Everything I recall
have been published (with precise details) in UNDERCURRENT and/or
IN DEPTH (before it folded).

>Pros:
>1. Easy breathing, same at 0' as it is at 60', probably just as
>   consistent below this depth

NEDU (Navy Experimental Diving Unit) did tests on regs years ago and
classified them into class A, B, C, and D.

Basically the ONLY difference between a Class A reg and Class B is
the breathing resistance BELOW 198 fsw.  :-)  For rec diving above
130 fsw,  the classes A - D are virtually indistinguishable in
breathing ease performance requirements.  For that reason, ALL
Scubapro regs will far exceed all the air-sucking anyone is likely
to do.

>2. Comfortable

Important subjective feature.

>3. Dry in all positions

There ARE difference here in various Scubapro models.  UNDERCURRENT
magazine did a comparative study on the Scubapro models at least
6 years ago.

>4. Adjustments allow a large degree of customization

I think you probably mean the Ventura assist nob.  It does not affect
the rate of actual FLOW, only the feel of ease of breathing.

>5. Breaths the same in all positions (as near as I can tell)

See (1).
>
>Cons:
>1. Boost effect takes a little getting used to (Basically as you breath,
you can feel the air flow being boosted in a step like fashion so it
actually gets easier to breath the more you breath).  It almost feels like a
switch is being thrown and all of a sudden it just gets easier instead of a
gradual increase.

See (4).  It's an individual thing.  Easier breathing doesn't necessarily
cause more breathing and use of air.

>2. Can free flow when you put it in the water, it is not bad, but it
happens more than it did with the delta

Free flow in ICE or COLD water is one thing.  Otherwise, if a reg
freeflows often, it is out of adjustment.  A trivial task for the
technician with the right tool to diagnose and fix.

>All I have to say for the cons is "Big Deal", this regulator rocks and the
pros far outweight the cons.  I want to take this reg down a little farther
(130), but I have to wait until Cynthia gets her advanced and a few more
dives under her belt.

For 130 fsw, I guarantee you that you won't feel any differnce from
30 fsw in breathing ease.  :-))  Been there, done that ... hundreds
of times.
>
>-Bonus
> Austin, Tx

-- Bob.