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  1. J-Vo

    Question Tech signs to indicate next stop depth/duration

    For the initial ascent, depth is most important, time can be discussed later. When you get to bigger dives a couple minutes deviation in time can equal 10/20' (3/6m) difference in first stop depth. Not agreeing on target depth is asking for team separation.
  2. J-Vo

    BCD/wing switch block valve

    @Wibble your going to die. 😈
  3. J-Vo

    Question Giant stride entry in Sidemount

    Just got back from Bonaire. As my wife likes Oil Slick Leap I dove it 5 times without issue. That's about 10'(3m) to the water. As @inquis said I use Paracord loop and double enders for ingress and egress, bungees only on while in the water.
  4. J-Vo

    UTD harness and razor or SUMP UK wing?

    Looks like a fairly standard skeleton harness. I made my own years ago and have used it with three different wings (Deco, Razor, Xdeep). I'm sure you can make it work.
  5. J-Vo

    Sidemounting with more than 3 tanks

    With practice, side tanks and 4 stage/deco tanks can be done proficiently. I dive 108s + 3 80s fairly regularly. The winder makes it a bit more difficult, but practice practice practice.
  6. J-Vo

    Perdix 2 OC Tec for Non Decom Dives

    There is a setting to make it count up rather than say "Deco Clear". If you don't have deco it counts your safety stop time.
  7. J-Vo

    An age-old question: ways to 60m.

    Not bad except most CCR divers I know tend to do nearly all dives on the CCR. This is partly because being on CC is simple a blissful way to dive, and because you don't just strap on a CCR and do a 60/70 meter dive without lots of recent practice.
  8. J-Vo

    An age-old question: ways to 60m.

    Denominator lives still matter
  9. J-Vo

    An age-old question: ways to 60m.

    Denominator lives matter
  10. J-Vo

    Grand Cayman technical diving

    In 2020 it was $3.50/cuft for 21/35 with no refund for gas unused unless the tank was still full.
  11. J-Vo

    Question PST 104 characteristics with lean trimix

    @mr_v Faber 108s CCR side mount with TRIMIX are glorious. Probably easier to get your hands on and may be cheaper as well. Caveat: I don't need a lot of lead. With NX in LP85s I'm way overweighted, even with my Halo undergarment.
  12. J-Vo

    Provocative talk yesterday at NSS-CDS: Toss out the rule of thirds?

    Floating through the cave motionless on a CCR, just the gentle nudge of the flow and the sound of your own breathing. Doesn't get much more serene than that.
  13. J-Vo

    Grand Cayman technical diving

    I'm surprised they don't have anyone. I hope you get to do your dives, the deep walls there are amazing.
  14. J-Vo

    An age-old question: ways to 60m.

    I can't believe I'm stepping into this. When I listened to this talk during RF4, my 25 years of statistical analysis and engineering experience sent off blaring sirens of wrongness. The conclusion was based on having the same total number of incidents annually with no compensation for the...
  15. J-Vo

    Question O2 sensor calibration

    Aim for 1.6, if all the cells get there and are reasonably in line with each other, I assume they are all good.
  16. J-Vo

    Question Regretting buying rebreather

    As a numbers guy, I sometimes get stuck on no longer getting as many dives. I have to force myself to notice I'm getting 3 times as much in water time.
  17. J-Vo

    Question O2 sensor calibration

    Why go through the brain strain of looking at mv underwater? Your cells are calibrated, if PPO2 is outside of expected something is off. Dill flush to cell check. As for the 1.6 check, why does it need to be @ 6m and with a full flush. You can check for current limiting at any point during...
  18. J-Vo

    An age-old question: ways to 60m.

    For reference: The RB80 Semi-closed Rebreather: A Successful Exploration Tool https://www.mares.com/en_US/horizon
  19. J-Vo

    An age-old question: ways to 60m.

    If you get a CCR you will find you want to do all your dives on it, not just the deeper ones. This will add up your hours/dives way quicker. If your only doing 25 dives/year, CCR is not for you.
  20. J-Vo

    Question Razor Go Sidemount Course worth it? Razor 4.0 vs XDeep Stealth 2.0 Tec

    I have a Razor 2.5 that used to be my only wing and I did a lot of big dives (drysuit, LP85s, 3xStages). I have an Xdeep now and the Razor only comes out for recreational warm water wetsuit dives. They both have the same size bladder on paper, but the Xdeep is simply more comfortable when you...
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