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  1. JVos

    Ginnie springs

    Amigos
  2. JVos

    DIVE DRY WITH DR. BILL #899: KEEPING THE KIDS CLOSE BY

    Cats and dogs are created as carnivores. Both have a short Large intestine. Humans are created as herbivores having a long Large intestine.
  3. JVos

    History of 18m depth limit?

    When I took my open water class in the 80's we had tables to 200'. My instructor gave us cards for PADI, NAUI, YMCA, and we could get a CMAS card for extra. As long as we stayed out of deco, we were good to go. I don't know how you could stay out of deco and hit 200' though. I don't remember...
  4. JVos

    CO2 monitoring (and the X-CCR)

    I have over breathed my Meg several times. A co2 monitor would do no good. Co2 hit can happen in seconds...Best thing is to learn how to breath on a rebreather.
  5. JVos

    Likelihood of getting oxygen toxicity at 1.4 PPO

    Not sure of the time, but their conclusion was high CO2 in the loop. Nevertheless, they had hits at 1.2...
  6. JVos

    Likelihood of getting oxygen toxicity at 1.4 PPO

    The Israeli defense force conducted over 2500 rebreather training dives and reported 3% oxygen seizures at a PO2 of 1.2...
  7. JVos

    Likelihood of getting oxygen toxicity at 1.4 PPO

    Sorry, looked up my old logbook. Nitrox was measuring 34% and there was a guy solo cave diving that didn't make it. Water levels were up. The next day gas measured 30%.
  8. JVos

    Likelihood of getting oxygen toxicity at 1.4 PPO

    Back a few years when I started cave diving, the common gas was 32%. A few divers had some problems and suddenly everyone was banking 30%
  9. JVos

    Likelihood of getting oxygen toxicity at 1.4 PPO

    The key to 1.6 being safe for deco is that no work is being done. Personally I always use 1.2 at depth as my max PO2.
  10. JVos

    Oxygen compatibility, materials and explosions

    There are others that you don't hear about. A friend of mine was injured pumping 32% in his garage when his compressor blew. He didn't want it publicly known that it happened.
  11. JVos

    Want to dive Great Lakes -- where to start?

    Lots of wrecks on the other side of the lake also, but no charters. And all the good ones are deeper. Shipwrecks – Found | Michigan Shipwreck Research Association
  12. JVos

    Diving and altitude

    Some people think altitude doesn't matter...logical people know better.
  13. JVos

    Have you ever had to doff and don your rig while diving?

    @Sam Miller III At that time( about ten years ago), I was cave and mix trained thru IANTD in 2000. Previous training was padi,naui,ymca in the 80's. That was the only time I had to d & d and it was in a pool. I dive a rebreather now (since 2007) so the entrapment, running out of gas isn't my...
  14. JVos

    Have you ever had to doff and don your rig while diving?

    Once. Went into a wreck without a line.(Never do that...) I had used a line several times before and decided to go without as there are several line traps that are a pain. Never had trouble with silt before, so I wasn't worried about it. So of course I ended up dropping a fin and silting it out...
  15. JVos

    Backup computer position on technical dives

    Petrel on the right. Backup vr3 in my pocket.
  16. JVos

    depth for Schedule 40 and 80

    That's 500 psi, not feet. So 34 Atmospheres.
  17. JVos

    LOW ALTITUDE Flying after diving

    I have flown after diving.It was a relatively shallow dive for what we normally do here in the Great Lakes. 100'. Kept it around 2500' max for an hour flight home. I am planning on flying and diving this summer up in Superior and that/those dives will be in the 200-300' range. I will wait a day...
  18. JVos

    Flu-like symptoms after a dive;Poseidon Regulator

    I had this happen to me in November in Bonaire. Jetstreams. End of day 2nd day of diving, fever,flu like, skipped dinner, went to bed early. Woke up feeling fine. Went diving. End of day same thing. Fine the rest of the week.
  19. JVos

    The Low Setpoint myth (or misunderstanding)

    I know a guy that ran a high setpoint all the time. It worked for him up until the day it didn't. The end.
  20. JVos

    NZ Diving - November to January

    Nope. Can't make the schedule. Going with a different group to the F69. Clair seemed nice at Dive HQ, sorry I won't meet her.
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