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Forum: Rebreather Design & Operation

Forum to discuss how and why Rebreathers are designed as they are and how key components operate.

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  1. Forum to discuss O2 and CO2 cells.

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    • Threads: 230
    • Posts: 3,241
  2. Forum to discuss all aspects of Scrubbers, Absorbents and Scrubber Architecture.

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    • Threads: 224
    • Posts: 3,054
  3. Forum to discuss home built CCR accessories

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    • Threads: 66
    • Posts: 684

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  1. Sticky Thread Sticky: Rebreather Comparison Chart

    Here you can see attached the poster that caused such a buzz at the dive show. (click on it to zoom in) Kevin tells me that he is willing to...

    Started by schford‎, 14th October 2007 20:53
    11 Pages
    1 2 3 4 5 ... 11
    • Replies: 107
    • Views: 41,162
    19th October 2007, 16:24 Go to last post
  2. Sticky Thread Sticky: An An attempt to clear the misconception on CMF

    Below there is a summary of what has been wrote about this issue. A greatly misunderstood and misapplied notion is that of “choked flow”, also...

    Started by diveoceanos‎, 1st January 2010 22:01
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 8,041
    17th February 2010, 12:36 Go to last post
  3. Sticky Thread Sticky: Rebreather Testing Data

    Below you'll find a collection of links to rebreather testing data and results that have been published. This thread is not to discuss and argue...

    Started by caveseeker7‎, 29th March 2008 11:55
    • Replies: 0
    • Views: 3,536
    29th March 2008, 11:55 Go to last post
  1. Are mCCR's safer than eCCR's?

    Statistics prove that divers are safer with mCCR's, but this could be for a number of reasons, whether it is the rebreather or the diver. Will...

    Started by chrismc‎, 15th August 2008 12:46
    17 Pages
    1 2 3 4 5 ... 17
    • Replies: 168
    • Views: 36,111
    16th September 2016, 11:16 Go to last post
  2. Twin CCR for deep cave exploration

    So shes almost finished- As anyone doing deep diving especially deep cave diving will tell you one of the biggest headaches is the need to...

    Started by Drmike‎, 4th February 2007 09:08
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 133
    • Views: 16,514
    15th February 2007, 14:31 Go to last post
  3. Discussion on How to get a CE Mark for a Rebreather

    This Thread to discuss Alex's article - http://www.rebreatherworld.com/showthread.php?t=10345 My response below. ...

    Started by schford‎, 3rd March 2007 09:44
    11 Pages
    1 2 3 4 5 ... 11
    • Replies: 107
    • Views: 16,046
    5th June 2008, 01:28 Go to last post
  4. EN61508 and CE and other stuff

    While I have dove some home modified rebreathers, I feel that there is a real difference between doing something very risky, and controlling the...

    Started by fireman‎, 30th November 2008 19:19
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 93
    • Views: 10,816
    13th December 2008, 22:00 Go to last post
  5. Smile Rebreathers for extended exploration diving

    Hi, I am searching for a suitable rebreather for cave diving. Which is the best CCR to use for demanding exploration dives such as cave diving?...

    Started by nicolite‎, 14th December 2007 19:27
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 90
    • Views: 13,307
    26th December 2007, 15:38 Go to last post
  6. I woul;d like to hear reasons and opinions for this.

    What are the pros and cons for having the electronics battery inside the loop of a RB vs. having it external? What are the pros and cons of having...

    Started by Dsix36‎, 1st April 2013 23:38
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 90
    • Views: 10,375
    27th May 2013, 22:41 Go to last post
  7. Generic CCR He course

    Hi All Does anyone know of any agency currently teaching a generic He CCR Course? So far all the agencies I have spoken to (In Australia) will...

    Started by Chris‎, 2nd August 2005 04:40
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 89
    • Views: 9,787
    15th August 2005, 10:26 Go to last post
  8. What is the safest HUD code?

    Comments that red leds should be reserved for dangerous conditions are posted on accident threads. The commonly used W.Smithers code uses red for...

    Started by AD_ward9‎, 15th March 2007 09:03
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 75
    • Views: 8,242
    16th March 2007, 19:47 Go to last post
  9. Fixation on CO2?

    Over the past year I've noticed that CO2 Monitoring has become a constant request whenever there is a thread about "Which rebreather" from a newbie...

    Started by Ben Field‎, 9th November 2011 10:04
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 75
    • Views: 8,335
    13th November 2011, 09:44 Go to last post
  10. Poll Poll: Examination of "mCCR is safer" myth

    There are many statements of better mCCR statistics. I have no idea how true this is. The few buddies I have in my part of the world are mCCR'rs and...

    Started by Gilles‎, 1st February 2007 23:28
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 74
    • Views: 9,342
    8th March 2007, 14:26 Go to last post
  11. Another take on measuring CO2

    Lot's have been said and written on the subject and the overall concensus seems to be "nice to have but not really necessary". That is if you pack...

    Started by nilmol‎, 17th July 2012 17:23
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 72
    • Views: 7,832
    25th July 2012, 22:22 Go to last post
  12. Against Mass Flow Orifice (MFO)

    Just saw the copied post below by AG (from this discussion: COPIS - Unified Team Diving). I have no affiliation with this RB and am just curious...

    Started by rainer_‎, 14th July 2010 23:10
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 71
    • Views: 9,494
    18th July 2010, 23:18 Go to last post
  13. Hybrid Rebreathers

    I just changed Lynn's rebreather to a hybrid again and noticed the interesting comments from Dave and Mike about hybrid rebreathers. I should...

    Started by bgpartri‎, 19th April 2008 16:34
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 69
    • Views: 7,855
    11th May 2008, 16:23 Go to last post
  14. New Heads Up Display

    I wanted to give a preliminary showing of a Heads Up Display that I have been developing for the last 2 years. I have been diving with this display...

    Started by bobmaggi‎, 26th March 2010 02:20
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 69
    • Views: 16,547
    17th January 2011, 10:08 Go to last post
  15. In water Recompression

    Having read the post on upping the setpoint at 6 metres it got me to thinking about In water recompression. When I was an OC diver I remember being...

    Started by nmanfield‎, 6th October 2005 08:35
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 68
    • Views: 10,590
    6th November 2005, 11:49 Go to last post
  16. Rebreather on Everest

    Guys I have been experimenting the last few years with a home built high altitude rebreather. This year I tested it at 26,000 feet on Everest. There...

    Started by spinflyer‎, 27th September 2009 21:57
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 63
    • Views: 15,332
    5th April 2011, 15:13 Go to last post
  17. The perfect Bail-out rebreather

    Hi all, After several tries, I'm still looking for the perfect bail-out rebreather. Carrying/staging a lot of bail-out OC tanks for a wreck/cave...

    Started by cedricverdier‎, 13th August 2005 12:25
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 58
    • Views: 11,606
    7th September 2009, 22:06 Go to last post
  18. Expenses Vs Benefits ..... Where Do You Draw The Line

    Hi Folks, I need some feedback and outside perspectives here. As we've lost a number of experienced RB divers in recent months, I've become...

    Started by Scuba_Vixen‎, 15th December 2005 16:59
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 57
    • Views: 6,787
    24th December 2005, 04:30 Go to last post
  19. Your mouth piece, WOB and CO2 retention!

    a common theme on Rebreather World, particularly lately, has been about the dangers of co2 weather it be caused by a form of scrubber bypass (wet...

    Started by Gill Envy‎, 8th July 2008 21:36
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 55
    • Views: 11,651
    15th September 2008, 21:54 Go to last post
  20. John Falcone's custom ADV for the Classic KISS.

    Anyone know where I can find one of these ( John Falcone's custom ADV for the Classic KISS)? It appears the website is down?

    Started by dbramley‎, 18th December 2009 21:47
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 54
    • Views: 10,070
    7th July 2010, 20:42 Go to last post

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