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Andrew- I seem to recall seeing tank valves with a built-in SPG about 20 years ago. It was just a rod inside a recess in the valve body that extended to show full, 3/4, 1/2, etc (all you really need on a Deco Bottle). I think they were made by Scubapro but they were considerably more expensive than the competition, so they weren't too popular. SPG's were pretty much in universal use by then, so most people didn't see any reason to pay extra for a gauge that was only useable before you strapped your tank on (I know I didn't). Also, at that time, you carried you pony bottle (yes, pony!) on your back, strapped between your double 72's, so you wouldn't be able to see and in-valve SPG anyway. Maybe some manufacturer should revive these things, as it would seem to be a perfect answer to this (deco SPG vs. no deco SPG) dilemma, now that we carry our *stage bottles* on the side. Ray PS- How did you know I have a gray beard? =============================================================================== At 09:15 AM 9/28/96 -0400, you wrote: >Hey, folks. >Sigmund wrote: >>>I've been waiting for someone to suggest screwing the SPG into the first >>>stage for a couple of days (thanks troppo). Most decent SPGs in fact have.. >>Isn't the chance of slamming the reg into something and breaking the SPG >>worth considering? Seems realistic to me. I would use a short hose instead. > > >Yep, I should think so. Lollipop hoses are the way to go, but I might be >convinced to use one of those little Oceanic plug-guages. No one has >mentioned that these things were around for a while a LONG time ago (before >I started diving, but back when I was a dock rat, obsessed with all those >cool quahoggers in their drysuits and fisherman-sweaters) I have definitely >seen them before. More than 15 years ago. Do any graybeards know why they >were not produced for a long time? >Oh, yeah. I'm back online, now from Houston, Texas, where I have started >my new job as a geologist for the largest US oil company. I haven't had >any time to check out the local diving, but I hope to soon - it drives me >crazy to have to look at all the gear festooning my place....dry. In the >meantime, I'll try not to spill anything :) >Cheers, >ABRILL > > > > >-- >Send mail for the `techdiver' mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. > >
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