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rEvo RMS (split from "Two new studies")

Discussion in 'Rebreather Diving' started by Tassi Devil Diver, Dec 10, 2018.

  1. stuartv

    stuartv Seeking the Light ScubaBoard Supporter

    # of Dives: 200 - 499
    Location: Manassas, VA
    9,221
    5,004
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    I did not say it was okay. I said it is understandable. Every line of code in any device has to be weighed. Usefulness vs risk. The person doing the coding has to decide. If Shearwater decided that the boundary case of someone who HAS rMS, but chooses to turn it off, is of lower importance compared to the risk of adding more code to the system to prevent those messages popping up, I am certainly in no position to say they made a poor decision.

    Meanwhile, all the people who don't have rMS at all, and all the people who have rMS and keep it turned on, and all the people who's rMS broke and they fixed it instead of diving with a unit with a known fault - all those people are not having this issue...
     
    Peter69_56 likes this.
  2. cathal

    cathal Barracuda

    # of Dives: 500 - 999
    Location: Ireland
    261
    129
    43
    Kinda lost me with this one. Can you break down what it is your trying to say here?
     
  3. lermontov

    lermontov Manta Ray

    # of Dives: 500 - 999
    Location: christchurch
    929
    553
    93
    i think hes saying you can still dive if you calculate the scrubber time regardless of rms working or fitted or not - (@stuartv ?)
     
  4. uwxplorer

    uwxplorer Rebreather Pilot

    # of Dives: 500 - 999
    Location: Los Angeles
    310
    197
    43
    He is saying that I am the bug. The perennial kill the messenger and realize your mistake when the SHTF story.
     
    cathal likes this.
  5. cathal

    cathal Barracuda

    # of Dives: 500 - 999
    Location: Ireland
    261
    129
    43
    Ah do you remember those days when you first fell in love with your unit and the manufacturer, and they couldn’t do anything wrong? I since learned there’s a name for that - it’s called Confirmation Bias.
     
  6. uwxplorer

    uwxplorer Rebreather Pilot

    # of Dives: 500 - 999
    Location: Los Angeles
    310
    197
    43
    Never happened to me. I have been suspicious of rebreathers and myself since day 1. I get the "I didn't get a lemon, so why should I care about your and your buddies feedback" attitude though. Although, from reading a lot of these "positive" reports on the rMS, it sounds like most have been unwittingly enrolled in a protracted beta testing period. I personally lost patience and interest when I was told I needed to buy a new chip for several $100. But I am repeating myself...
     
  7. cathal

    cathal Barracuda

    # of Dives: 500 - 999
    Location: Ireland
    261
    129
    43
    I like the RMS system. It’s great when it works but after 6 years it’s still not reliable. So technically I would say it’s still in its testing phase, it’s by no means a finished product which is terrible considering it’s cost.
     
  8. Tassi Devil Diver

    Tassi Devil Diver Barracuda

    # of Dives: 1,000 - 2,499
    Location: Tasmania, Australia
    269
    135
    43
    While the problems with the hardware is well documented and from my experience looks to be sorted, I have full faith in the predicative algorithm based on nearly 6 years of consistent results, and am satisfied that it is sufficiently conservative. This was demonstrated to me on the last dive of my MOD 3 last year, which was a shallow 10m dive to sign of on some skills and drills which was tacked on to the first dive of a MOD 1 course, I had nearly 5hrs on the top scrubber (was warm water 28C) and around 1hr cycle time remaining and 1:45 total scrubber time which should have been enough for the dive. This dive ended up being nearly 2hrs long, which saw my cycle time expire, then total scrubber time, ended up going beyond total scrubber time by around 20minutes. I was getting concerned when my scrubber time expired but my instructor kept giving me the ok signal as completed the final drills with no issues.
     
    stuartv likes this.
  9. uwxplorer

    uwxplorer Rebreather Pilot

    # of Dives: 500 - 999
    Location: Los Angeles
    310
    197
    43
    I really have no clue what those people with failing O2 cells are talking about. Only happened once to me and even that wasn't an issue as I caught it before a dive.
     
  10. cathal

    cathal Barracuda

    # of Dives: 500 - 999
    Location: Ireland
    261
    129
    43
    Happened to me last month, but it was a complete failure i.e it was reading 0mv, I it was cell No.1 and was 3 weeks old.
     

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