db
Regular Diver
Posts: 23
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Post by db on Oct 26, 2019 19:18:49 GMT -8
Dan Burgess from Montana. Been following this board for a few years. Thanks for getting me addicted to the double hose world. I especially like tinkering/rebuilding these regs. Have a sailboat down on the West Coast of Mexico so that’s where I dive these. I have gotten a lot of useful info off this site, Thankyou.
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Post by nikeajax on Oct 27, 2019 7:00:38 GMT -8
Dan, welcome aboard, hopefully we'll be hearing more from you can ya tell us more about your gear? JB
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db
Regular Diver
Posts: 23
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Post by db on Oct 27, 2019 11:24:46 GMT -8
Aqua-Lung Pac with steel 72. Have a few US Divers regulators, a couple spirotechniques, a Kraken, and recently picked up a Voit chrome 50 fathom. Love my Broxton and the Spiros. I’m pretty excited about trying out this Voit. You guys have these big discussions about different regs then I just have to try them out, haha. I do use modern free diving fins though, just can’t seem to go back to my Dacors. Still use a Dacor mask, same as I picked up when in the Navy in the 70’s
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Post by nikeajax on Oct 27, 2019 15:19:33 GMT -8
...You guys have these big discussions about different regs then I just have to try them out, haha... That means we're doing our job right! Do you ever dive locally, creeks, rivers and lakes up in Montana? Seems like with all that snow you should be able to get some adventure dives in, eh? That being any body of water that you can dive just for the adventure of it: gee-whiz, even a stock pond if'n it's big enough JB
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Post by tomcatpc on Oct 27, 2019 16:07:43 GMT -8
Welcome aboard!!! Mark
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Post by scubalawyer on Oct 27, 2019 17:12:46 GMT -8
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db
Regular Diver
Posts: 23
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Post by db on Oct 27, 2019 17:27:46 GMT -8
Those Krakens are effortless. The rock and water pictures look similar to the inside of the Baja, I’ve dove the Kraken there.
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Post by nikeajax on Oct 27, 2019 17:41:40 GMT -8
As I understand there were two different 50 Fathoms, not just the cans but the internals, do you know which one you have? The one on the right is the VCR-5: JB
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db
Regular Diver
Posts: 23
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Post by db on Oct 27, 2019 17:57:15 GMT -8
I think it’s the VCR-2. Got it from Rob, scuba museum
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db
Regular Diver
Posts: 23
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Post by db on Oct 27, 2019 18:02:34 GMT -8
But not sure, i’ll Have to look
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db
Regular Diver
Posts: 23
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Post by db on Oct 27, 2019 18:10:15 GMT -8
It is the same as you show in the blue can
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Post by scubalawyer on Oct 27, 2019 18:38:12 GMT -8
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db
Regular Diver
Posts: 23
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Post by db on Oct 27, 2019 19:22:08 GMT -8
Yes I am confused also. It is the same internals as in the blue can of JB’s and it is the chrome 50 as you show.
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Post by nikeajax on Oct 28, 2019 11:12:47 GMT -8
There were four different 50 Fathoms: two with metal can two with plastic cans. Two of them used the guts of the Mistral, and two used the guts of the the one I had. The one shown is very rare, it was never in the Voit catalog. It was more common for this valve body to be used with the metal cans: it was never used in a US Divers regulator. This is my understanding anyway...
JB
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Post by scubalawyer on Oct 28, 2019 13:51:12 GMT -8
There were four different 50 Fathoms: two with metal can two with plastic cans. Two of them used the guts of the Mistral, and two used the guts of the the one I had. The one shown is very rare, it was never in the Voit catalog. It was more common for this valve body to be used with the metal cans: it was never used in a US Divers regulator. This is my understanding anyway... JB As I understand it: US Divers Mistral has an upstream valve mechanism. VCR-2 (metal cans - blue and chrome) both had the Gagnan downstream valve mechanism. VCR-5 Blue 50 Fathom (blue ABS cycolac plastic cans) also had the Gagnan downstream valve mechanism. V55 Blue 50 Fathom (blue ABS cycolac plastic cans) had the identical guts as the Voit V22 Polaris 50 which had an upstream valve mechanism like the Mistral. I’ve never been able to tell the difference between a VCR-5 and a V55 by looking at the plastic cans. And as we all know, a single stage upstream design is easier breathing at lower tank pressure and a downstream design in easiest breathing on a full tank. Don’t know if any of that helps or not. Shirley I’m not a regulator nerd, and don’t call me Shirley.
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