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  1. Thread: CO2 dsmb

    by graham_hk
    Replies
    54
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    1,471

    Indeed - lets be honest ... diving is hardly...

    Indeed - lets be honest ... diving is hardly environmentally friendly. All the energy that goes into getting to and from dive site (car and boat), pumping tanks, making equipment etc etc a co2...
  2. Instruction has been modernised ... its called...

    Instruction has been modernised ... its called GUE (ducks for cover)
  3. I wear base layers to stop the suit smelling...

    I wear base layers to stop the suit smelling rather than give warmth. I have several different brand undersuits - DUI have been very good and very durable. I have a santi - its not as well cut...
  4. Dunno about the Channel Islands but generally we...

    Dunno about the Channel Islands but generally we don't have nails on our heads in England ...
  5. rips like a mofo

    rips like a mofo
  6. neoprene neck (get a good one though) and...

    neoprene neck (get a good one though) and latex/silicon wrists (or better dryglvoes )
  7. Thread: CO2 dsmb

    by graham_hk
    Replies
    54
    Views
    1,471

    Easier than exhaling ... I think not :)

    Easier than exhaling ... I think not :)
  8. Thread: CO2 dsmb

    by graham_hk
    Replies
    54
    Views
    1,471

    £1.80 per refill - can't you just orally inflate?...

    £1.80 per refill - can't you just orally inflate? I spend less on Helium for 100m dive :D
  9. Replies
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    I have no idea what people are calling things -...

    I have no idea what people are calling things - but lets be clear the red line is straight - not a curve ... it is linear. Linearity checks are to check that the first order chemical reaction is in...
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    Out of interest I have read the thread. I have...

    Out of interest I have read the thread. I have spent years as a scientist calibrating expensive equipment to measure various things (radioactive tracers, heavy metals, dissolved Oxygen, pH etc etc)...
  11. Replies
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    Same thing ... who was your instructor?

    Same thing ... who was your instructor?
  12. Replies
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    Depends how complete you want to flush - 90-95%...

    Depends how complete you want to flush - 90-95% easy and quick - those last few % not always so easy ;)
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    I don't accept the cell checker, I think they are...

    I don't accept the cell checker, I think they are a waste of money and give false security - its not loop conditions and typically only tested for few seconds/minutes and most importantly only tells...
  14. Replies
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    I have scanned your links - they, like you, are...

    I have scanned your links - they, like you, are labouring under the misconception that mV is a truth serum and PO2 lies. Pure and simple they are the same thing - please read carefully what John,...
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    You could just go diving and not spend all your...

    You could just go diving and not spend all your time verifying cells ... because all verification tells you is that cells read true at the time (and conditions) you did the test not that they will...
  16. Replies
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    Its not built in because you can't check for...

    Its not built in because you can't check for linearity on the dive unless you dive a diluent that has a PO2 above set point - you can only check linearity against a reference gas
  17. Sorry to disagree but I would recommend exact...

    Sorry to disagree but I would recommend exact opposite - get a proper undersuit to keep you warm don't keep layering up - 6 layers will be bulky and expensive. I used a heated vest if its really cold...
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    Sorry that doesn't make any sense. Once you have...

    Sorry that doesn't make any sense. Once you have calibrated the mV and PO2 are tied. ... there is no such thing as raw mV and computer's PO2 being different, since computer's PO2 is directly...
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    Sure thing big dog

    Sure thing big dog
  20. Replies
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    Yep - this. Voltage or Po2 are the same...

    Yep - this. Voltage or Po2 are the same essentially the same thing all you've done is translate during calibration (certainly the rebreathers I have used don't do 2 point calibration but I think...
  21. Thread: Helium

    by graham_hk
    Replies
    28
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    1,710

    I paid £100 for a J during summer. By time I...

    I paid £100 for a J during summer. By time I have driven to Brighton and boosted/transfilled gas and driven back (to poole/bournemouth I suspect would be cheaper for me to get locally even if he...
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    You hate the dive industry because the dive...

    You hate the dive industry because the dive industry hates you - ask yourself why. You can keep kidding yourself youíre a big dog much to my amusement 😘
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    You didnít add vat - would it hurt to say so? ...

    You didnít add vat - would it hurt to say so?

    Fill your boots in training and/or halcyon if youíre being a dick Iíll call you on it donít worry.

    You have a track record for running away and...
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    Seen that first hand in china(whereís itís from)...

    Seen that first hand in china(whereís itís from) getting o2 from depot
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    Hsm exit stage left - he never provides any...

    Hsm exit stage left - he never provides any useful info - just half of whatís needed with a coupla swipes at slat walls till the next half info thread
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