Edge Scuba Diving Computer in Very Good Condition | Water Sports | Saskatoon | Kijiji
Not my add but just saw it today.....
Not my add but just saw it today.....
A chance to own some diving history.....
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The Chairman
Chairman of the Board
I still have mine.
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- Location
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Does anybody know what deco algorithm is used on the Edge? Better yet, does anybody have a table of the NDLs for clean 1st dive? This information would be absolutely fascinating. Maybe @100days-a-year ?
- Messages
- 19,807
- Reaction score
- 18,674
- Location
- Philadelphia and Boynton Beach
- # of dives
- 1000 - 2499
Very interesting, found the manual online https://www.divetable.info/skripte/Orca_EDGE.pdf Uses a 12 tissue modified Haldanean model modified with M-values affected by Doppler venous gas bubble analysis. Sounds a lot like DSAT, doesn't it? In general, the Orca Edge was just a little more conservative than DSAT. No idea how it handled repetitive dives.
The Chairman
Chairman of the Board
I never got bent on mine, but the weird battery was hard to find.
- Messages
- 19,807
- Reaction score
- 18,674
- Location
- Philadelphia and Boynton Beach
- # of dives
- 1000 - 2499
A 12 volt, that ran all my transistor radios for years. They're still around.
Are we talking about the same computer? I still have mine and it uses a standard alkaline 9 volt.
Back in the day (long before I knew better), it was not unusual for me to make 4 deco dives in a day on air, using my Edge. Granted, they were pretty light deco dives, but still 125' ish dives, going 5 min or so into deco on the Edge. I eventually got bent doing that. The repetitive dive profiles on the edge, particularly into dives 3 & 4 were quite liberal.
Back in the day (long before I knew better), it was not unusual for me to make 4 deco dives in a day on air, using my Edge. Granted, they were pretty light deco dives, but still 125' ish dives, going 5 min or so into deco on the Edge. I eventually got bent doing that. The repetitive dive profiles on the edge, particularly into dives 3 & 4 were quite liberal.
@scubadada, interesting, it looks like they tweaked later versions. I'm pretty sure that my edge gave me 7 min at 130'. on a clean first dive. Also, you didn't need to stay out of the water more than about 90 min before you were given nearly the same profiles. Like I said, the subsequent dive profiles were quite liberal.
RonR
Contributor
I donated mine- a very early one- to a local shop's museum years ago. It used a standard 9 volt battery- what those of us old enough to remember called "transistor radio batteries", back when transistor radios were the height of personal electronics technology.
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