Hello Cam,

I agree they do make nice streamlined back mounts. I have a pair that I use
primarly in a side mounted configuration for sump diving. The size of the
tanks do offer IMO a much better back mounted open water set up as well.
This of course for dives when the full Montey is not needed.
 
A few years ago DiveRite had a run of modular valves that had been cut too
short where the manifold/crossover would normally go. This did not effect
the barrel where the double O-rings seal. It just made them usless for
trying to put double 95's or 104's together. The Diver Supply in Macon Ga.
had them on sale for around 30 dollars ea. so I grabbed a set of left and
right valves.
 
For open water diving, as well as some sump diving, I install the standard
isolator, along with a custom set of bands. The space between the tanks is
around 2.5" and they do ride tight against the aluminum back plate with
standard or junior wings.

This rig is the minumin I dive for any conditions anymore. The package is
just to good to pass up. Has true redundancy as the ability to isolate is
there if needed, You have a complete reg back up, they swim great, and they
give plenty of gas for lessor dives that don't require deco.

Another positive thing about this rig is when it come to traveling. When I
go down to Central America, I don't have to worry about finding or renting
any tanks. I can set the 45's up and they fit perfectly in a medium sized
piece of tow luggage I bought at Sams that had roller blade wheels. Tanks
empty, two regs, one pressure gauge, with wings and fins weigh in at the
allowable 70 LBS. I have to carry the back up regs and other diving related
items in my other check-in or carry on luggage with my dive suit and lights.

I'll probably get a few raised brows for mentioning this and I'm not
suggesting anyone does this, but...
I think you could probably cut down a regular modular valve to bring the
tanks closer and do the same as I did. If you look at the left and right
valves you will notice on DiveRite and similar valves one side is shorter
than the other (can't remember which side)anyway. Only the longer side
would need be cut to match the other to bring the tanks together enough to
make some custom bands to have the same comfiguration as I. My set up uses
nearly all the available threads between the ISO and modular valve except
for three sixteenths inch on each side.  
If any elect to try this, and I'm not saying they should, just make certain
to mic everything so as not to compromise the valves.

Regards JD 

At 04:42 AM 04/05/2000 -0700, Cam Banks wrote:
>I saw someone with a set of double OMS LP 45's on a diveboat last year, and
>I have to admit I think this could be my ultimate setup for recreational
>diving.  Mini-doubles, in other words, for air redundancy.  90cf if you
>don't over pressurize the tanks at all, and light enough to take on any rec
>dive or casual boat dive.
>
>I already dive an H-valve with two regs when I dive single-tank, but this is
>just not quite filling my paranoia needs.  Yeah, I know my buddy is my
>redundant air supply, but sometimes you don't get the ideal buddy.
>
>The problems I saw with the dual 45's set up were bungie-wing (let's not go
>there; I'm thinking to use a normal Halcyon wing and plate), and no isolator
>on the manifold.  The reason there was no isolator was because the bands
>held the 45's too close together to fit a standard isolator in between.
>
>So, what if I had a special set of bands made up to hold the tanks far
>enough apart that I could fit a standard isolator manifold on there.  Is
>this just lameness and I should give up the whole idea, or is there nothing
>wrong with it?  Thanks.
>
>Cam
>
>= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>Cameron Banks                                  408-821-6314 cell
>Applied Materials Account Manager    408-934-0500 office
>                                                           408-934-0707 fax
>                                                           603-754-3638 efax
>Aera Corporation
>422 S. Hillview Drive                 e-mail: cam@ae*.co*
>Milpitas, CA 95035                    http://www.massflow.com
>= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>
>
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"SILT HAPPENS"JD   JEFF DISLER
  SAFE CAVING       NSS 26000
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