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New computer

Discussion in 'Dive Equipment' started by Iain Denham, Oct 23, 2018.

  1. Wibble

    Wibble Fish don't talk
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    New?
     
  2. Iain Denham

    Iain Denham Active Member

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    no not new done a small amount of dives no marks all in excellent condition up to date software, so bargain?
     
  3. jb2cool

    jb2cool Moderator
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    Around £150 off new (or more depending where you shop) so yes, a pretty good deal. Earlier Petrels can be had for less but then they are older and are missing some features
     
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  4. Harvey-NG

    Harvey-NG Member

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    I have an eon core, which works as a wonderful bottom timer.
     
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  5. Wibble

    Wibble Fish don't talk
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    :)
    If only they had proper algorithms where you could choose your dive planner....
     
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  6. Harvey-NG

    Harvey-NG Member

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    If only they had an algorithm that wasn't broken...
     
  7. Wibble

    Wibble Fish don't talk
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    Does the EON have a screwed up MOD calculation too? e.g. 28% = 40m in normal terms, but 38.3m in made up Suunto terms

    dose / mix = MOD (actually pressure in bar or ATA)
    1.4 / 0.28 = 5 = 40m

    Apparently the discrepancy is some "added conservatism" which they've pulled out of their jacksies.
     
  8. JasonP

    JasonP Active Member

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    My mate, on his OSTC, was diving with a buddy on trimix. They got to 21m, gas switched and the buddy's Eon didn't want a stop. They did at least 3 minutes at 21m, went up to 18m and the Eon wanted 2 mins. Its ceiling calculations are weird.
     
  9. Harvey-NG

    Harvey-NG Member

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    I've heard many things, but the one I believe is that it rounds the percentage mix and depth both up and down respectively to form a worse case scenario and gives the MOD based on that. Apparently I can't analyse gas accurately or stay within the MOD without the added help of a computer...
    Personally, my level of conservatism is using a max ppo2 of 1.3 instead of 1.4 - which is a conservative maximum in itself anyway.

    I don't, and never will trust the suunto, it's fine for no stop stuff but past that I'm backing myself up with proper deco planning before hand anyway. I'm not lying when I tell you the thing spends at least 70% of its time in gauge mode...
     
  10. speed098

    speed098 Member

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    Was looking at the Suunto Eon core and steel comps from comments here glad I did not buy one. I managed to get an Oceanic VTX with just the 2 test dives but ex-display for a really great price and hopefully will be a good backup when I eventually upgrade in a year or two.
     

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