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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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  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: 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: 8,000
    17th February 2010, 12:36 Go to last post
  2. 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: 3,525
    29th March 2008, 11:55 Go to last post
  3. 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: 40,962
    19th October 2007, 16:24 Go to last post
  1. help needed by someone who knows machining

    If you look at the 3 pictures attached i want to make a small piece of stainless steel tube, perhaps 1/4-1/2 inch long that has threads on the inside...

    Started by Johnny Bekkestad‎, 6th May 2010 16:49
    • Replies: 3
    • Views: 1,133
    6th May 2010, 19:26 Go to last post
  2. Smile Hose Weights

    Hi, Apologies if this is a bit of an obvious question for some but what are the primary criteria for determining whether to use hose weights? If...

    Started by cringrose‎, 28th April 2010 21:20
    • Replies: 0
    • Views: 751
    28th April 2010, 21:20 Go to last post
  3. U.S equivalent to Tecme?

    As title said, does anyone know of any geniuses like Martin that is based in the U.S? /johnny

    Started by Johnny Bekkestad‎, 25th April 2010 20:30
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,593
    27th April 2010, 20:10 Go to last post
  4. Fenzy Po-68 Restoration

    I thought i would step by step discus and hopefully get advice/input on a Fenzy po 68 restoration . The unit i have is was brand new in 1989 it...

    Started by Dean Coote‎, 19th April 2010 17:58
    • Replies: 5
    • Views: 1,338
    23rd April 2010, 13:50 Go to last post
  5. PO2 Meter HUD ..... Oxygage, .. Meet the Stone Age

    Hi Gang, There have been some recent, and not as recent, threads on using the Dream and Hud in its SCR mode so that guys diving Dolphins and the...

    Started by Scuba_Vixen‎, 12th April 2010 01:55
    • Replies: 7
    • Views: 4,402
    16th April 2010, 09:14 Go to last post
  6. Rebreather harnesses

    Of rebreathers (and old open-circuit scuba) which have a plain harness and is not mounted in a stab-jacket or a wings, which arrangement is more...

    Started by Anthony Appleyard‎, 6th March 2010 17:11
    • Replies: 2
    • Views: 2,119
    6th March 2010, 18:54 Go to last post
  7. Rebreathers' cylinder pressure gauges

    In naval and suchlike rebreathers, where are their cylinder pressure gauges? DIR people and suchlike say that trailing accessories such as gauges are...

    Started by Anthony Appleyard‎, 1st March 2010 20:55
    • Replies: 3
    • Views: 1,139
    1st March 2010, 22:35 Go to last post
  8. Spontaneous OPV Laxity

    CK passes pre-dive last night. Passes predive this morning. And suddenly, I'm 1/2 way into prebreathe when the hissing begins. "Hey Jeff," I...

    Started by oya‎, 26th February 2010 04:29
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,777
    27th February 2010, 18:07 Go to last post
  9. Review of rebreather standard EN14143

    Some of you may be aware that EN14143, the European standard covering rebreathers, is being reviewed. The process is that it is reviewed by the...

    Started by Mark Powell‎, 22nd February 2010 12:25
    • Replies: 5
    • Views: 3,629
    23rd February 2010, 01:43 Go to last post
  10. Comparison between CDLSE (Divex) and MK-16

    Who did ever use re-breather both 2 models? I would like to know the differences in terms of Technical and Operation. Thank you in advance.

    Started by PaeYimm‎, 15th February 2010 09:34
    • Replies: 1
    • Views: 2,596
    16th February 2010, 19:02 Go to last post
  11. Adjusting Drager P-ports

    I need to re-position a couple of p-ports so the release buttons are in a more protected position. I am having a devil of a time trying to unscrew...

    Started by 4ster‎, 9th February 2010 15:40
    • Replies: 8
    • Views: 1,894
    11th February 2010, 14:57 Go to last post
  12. Comparison between electronic and mechanical instrument rebreather

    What are the differences between electronic and mechanical re-breather?

    Started by PaeYimm‎, 10th February 2010 08:20
    • Replies: 6
    • Views: 3,847
    10th February 2010, 17:19 Go to last post
  13. Scrubber heating

    Heres a newbie question for you guys. Why doesnt any scrubber (that ive seen) have heating with batterys or simular? Isnt it safer to dive with...

    Started by Wracul‎, 2nd February 2010 14:26
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,937
    3rd February 2010, 09:53 Go to last post
  14. Looking for accordian type counter lung

    I was looking for some information on accordian type counter lungs and if anyone is using them or have experience with them. I saw the one in the...

    Started by atedeschi‎, 23rd January 2010 12:53
    • Replies: 4
    • Views: 1,049
    23rd January 2010, 14:12 Go to last post
  15. More info on the Fenzy Biomix?

    Hi I just noticed the Fenzy Biomix, itís a semi closed SCBA (not for UW use). Does anyone have more info about it? Although it...

    Started by jaap‎, 18th January 2010 14:07
    • Replies: 2
    • Views: 2,164
    20th January 2010, 00:51 Go to last post
  16. Mass Flow regulators - KISS and VOYAGER comparison

    Why does the first stage need to be modified in order to produce a Constant Mass flow? It seems that some manufacturers of Constant Mass...

    Started by guy‎, 13th September 2005 15:40
    4 Pages
    1 2 3 4
    • Replies: 38
    • Views: 8,653
    2nd January 2010, 16:00 Go to last post
  17. are thes tanks equal to faber fx25's?

    i was told that faber fx25 cylinders will fit into an inspiration case assuming the right valves are bought as well. can someone tell me if these...

    Started by keylargojimy‎, 21st December 2009 23:36
    • Replies: 5
    • Views: 3,390
    22nd December 2009, 13:40 Go to last post
  18. Scrubber question(Divesorb/Dragersorb)

    If past it's expiration date, how long is scrubber material still good if stored (sealed) in a house (never frozen, in garage)? Has any research...

    Started by carlcz‎, 1st September 2008 20:43
    • Replies: 7
    • Views: 2,081
    28th October 2009, 13:54 Go to last post
  19. CO2 Sensors

    Seems that NASA has an effective solution...but would this work on an underwater system??? see this story Spacewalk cut short by spacesuit CO2...

    Started by Rod Abbotson‎, 24th July 2009 08:15
    • Replies: 7
    • Views: 2,865
    21st September 2009, 11:46 Go to last post
  20. 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: 11,600
    7th September 2009, 22:06 Go to last post

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