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Type: Posts; User: Mark Chase

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  1. Replies
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    Sorry for slow reply No that's annual on...

    Sorry for slow reply

    No that's annual on onging dive costs

    I paid 3000 for my inspo classic in 2004 and 1200 for Mod1 & Mod2 (600 each)

    Total spend at base cost with no toys 3600.00

    I...
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    GF 99 on the Sheerwater is easy to follow and...

    GF 99 on the Sheerwater is easy to follow and IMHO the best addition to wet computers ever

    Did a few test ascents using it and it worked just fine

    In the bad old VR3 days i needed to blow off...
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    Trimix = CCR the unit will pay for its self in no...

    Trimix = CCR the unit will pay for its self in no time

    Personally I like simple units like the Analog JJ I dive now or the KISS MCCR

    BIG fan of MCCR for safety and ease of running low service...
  4. Thread: Stage

    by Mark Chase
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    Diving with a buddy for redundancy is a bit like...

    Diving with a buddy for redundancy is a bit like playing the lottery or worse because if you don't win the lottery you don't actualy die a horoball death Russian roulette is probably a better analogy...
  5. Yet

    Yet
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    Am I the only one who finds it amusing that you'd...

    Am I the only one who finds it amusing that you'd rely on a computer for average depth but not to plan the deco??

    I dived for many years with a single deco computer and a back up depth and bottom...
  7. Buy the proper kit so MTM is not required? ...

    Buy the proper kit so MTM is not required?
    ...
  8. Replies
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    The only down side to diveing CCR is you no...

    The only down side to diveing CCR is you no longer have to gas plan. I used to quite enjoy messing around with gas plans for my upcoming dives.

    CCR you just plan your bailouts in the...
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    No your misreading my post I will always do a...

    No your misreading my post

    I will always do a MINIMUM of the last 20mins on pure o2

    If CNS is not an issue id run pure 02 for the whole of the 6m & 3m stop
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    I remember on that Malin trip my beer & crisps...

    I remember on that Malin trip my beer & crisps bill was bigger than my gas bill and his gas bill could fund a third world country for a week :D
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    Simon Wouldn't a high percentage helium dive...

    Simon

    Wouldn't a high percentage helium dive result in more significant impact on the 02 stability? I used to dive pre mix so it was pretty much either 18/45 or 10/70 dill every dive as I home...
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    Its a planning tool I was able to map dives...

    Its a planning tool

    I was able to map dives and deco's and determine the GF profile of the dive. A friend sent me his Ratio Deco profile on a dive where he was out of the water 15mins before me. I...
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    I used to do something like this in Gozo when we...

    I used to do something like this in Gozo when we were diveing deep air (not to be advised)

    Id have a single 10 on my back and a 10 side slung

    Id dive the side slung to empty (sub 50bar) then...
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    Dived with a chap on a Mallin head Watcher gig on...

    Dived with a chap on a Mallin head Watcher gig on twin 18s and his buddy was on CCR.

    I have video of him somewhere
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    And very good software it is. It still deeply...

    And very good software it is. It still deeply frustrates me I cant put in GFs higher than 100 as I could on the old GUE software, but aside from that its excellent

    Theres two Bhullman options 16B...
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    Another non deco big advantage with running pure...

    Another non deco big advantage with running pure 02 CCR is you could run the unit blind.

    I'd always switch to manual 02 injection at 6m (even if I had a long stop) but going on to pure 02 meant I...
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    To be fair most divers now have the advantage of...

    To be fair most divers now have the advantage of CNS clocks on their wrist

    I'd run 100-120cns regularly on deco but I never considered resting deco and high CNS a thing

    I did do some gas...
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    Depends on CNS loading but ill always do the last...

    Depends on CNS loading but ill always do the last 20mins on pure 02 and always be on pure o2 on the surface getting in or getting out

    I did gas switch in the very early days. Most notably a dive...
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    LOL you youngsters :) MS-DOS and an IBM 286...

    LOL you youngsters :)

    MS-DOS and an IBM 286 40meg hard drive with 2 meg of ram. The salesman said it was all the computer id ever need :D

    He must have worked for VR3 :)

    The VR3s planning...
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    I am reading this above and trying to see past...

    I am reading this above and trying to see past what apears to be just noise?

    PFOs are an issue (apparently) regardless of what profiles your running as are many pre-existing medical conditions. I...
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    Absolutely, I used to run US Navy tables pre 2002...

    Absolutely, I used to run US Navy tables pre 2002 then a VR3 + tables in about 2002, which added Pyle type deep stops then 2 X VR3s finally I got on to my first Brick sized GF dive computer and...
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    But sooooooo true The most dangerous bit of...

    But sooooooo true

    The most dangerous bit of kit a diver has to rely on is usually his/her buddy.

    There are exceptions to this of course, but its like saying most men don't like romcoms :)
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    I have dived twins when my buddy is on a single...

    I have dived twins when my buddy is on a single loads of times??

    I used to go twin indis in the red sea because I couldn't get hold of a pony cylinder to use/hire and feced if I was diveing with...
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    A bit too soon to be even thinking about it in...

    A bit too soon to be even thinking about it in his case surely?
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    I dived single and single + stage for 9 years...

    I dived single and single + stage for 9 years before going twinset, but then i was diving more on holiday than I was in the UK

    When I started going out weekly in the UK I was on twin indies very...
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