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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: 227
    • Posts: 3,076
  3. Forum to discuss home built CCR accessories

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    • Threads: 66
    • Posts: 685
  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: 9,683
    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: 4,203
    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: 50,905
    19th October 2007, 16:24 Go to last post
  1. Nominal loop volume and WOB

    I’ve been wondering what the mechanics are concerning loop volume and WOB. This question is aimed at how the loop volume affects the design of a...

    Started by jmdiver‎, 2nd November 2008 20:50
    • Replies: 0
    • Views: 1,204
    2nd November 2008, 20:50 Go to last post
  2. New Co2 detector...

    There is a working CO2 monitor that has been built and tested. It truly works and can be put into a HUD as well. Presently there are contractual...

    Started by bobby‎, 4th September 2008 15:01
    4 Pages
    1 2 3 4
    • Replies: 32
    • Views: 9,024
    25th October 2008, 17:11 Go to last post
  3. Loop Direction

    Can someone point me in the direction of a chart or list of what direction the loop is on the current rebreathers out there please?

    Started by Steve‎, 24th October 2008 02:35
    • Replies: 4
    • Views: 1,527
    24th October 2008, 17:51 Go to last post
  4. Theory and Construction of Rebreathers

    Hello All, I am interested in some suggestions on what books/literature I can read about how and why a rebreather does what it does. Not only the...

    Started by NJ Diver‎, 18th October 2008 17:01
    • Replies: 4
    • Views: 2,000
    20th October 2008, 06:38 Go to last post
  5. Development of comprehensive performance standards for UBA

    Just added, thought you all might find it interesting: Lundgren, CEG and Warkander, DE. (2000) Development of comprehensive performance standards...

    Started by Gene_Hobbs‎, 27th September 2008 19:29
    • Replies: 2
    • Views: 1,350
    2nd October 2008, 18:50 Go to last post
  6. WOB quiz

    Hi Members I am currently on the look out for a new CCR with backmounted counterlungs. When looking at the Classic Kiss and the Apocalypse, the...

    Started by depth‎, 25th September 2008 12:02
    • Replies: 7
    • Views: 1,781
    25th September 2008, 13:42 Go to last post
  7. Pb with primary handset on meg ?

    It is now several hours of dive( nearly 30), that It is more difficult to read my primary handset. I change the battery, but it is always the same. ...

    Started by Eric LEJEUNE‎, 20th September 2008 06:27
    • Replies: 9
    • Views: 1,842
    22nd September 2008, 17:06 Go to last post
  8. Is there such thing as a HP quick connect

    Is there such a thing as a high pressure quick connect that can be used when the system is pressurized and underwater? Teoman

    Started by teomannaskali‎, 14th September 2008 17:45
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 3,796
    17th September 2008, 13:04 Go to last post
  9. 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: 12,995
    15th September 2008, 21:54 Go to last post
  10. Virkon S

    Hi ALLLooking for advice. I have just ordered some Virkon S in tablet form for an upcoming trip. One tablet makes 500ml. Do you use as with bubby...

    Started by toe‎, 14th September 2008 14:31
    • Replies: 2
    • Views: 3,538
    14th September 2008, 18:09 Go to last post
  11. WOB test as per CE-standard

    I've been trying to interpret the test results from different suppliers CE-tests, but it feels like I'm missing at least one part of the information:...

    Started by Dragan‎, 7th September 2008 11:45
    • Replies: 2
    • Views: 1,691
    7th September 2008, 12:37 Go to last post
  12. Meg configuration

    Hi All, After many years of being a technical Trimix diver, I've finally decided to purchase a CCR, Megalodon. Before purchasing it, I'm still...

    Started by fromogil‎, 4th August 2008 07:02
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 5,974
    31st August 2008, 16:59 Go to last post
  13. looking for PO2/O2 metabolic simulator

    I am looking for a simple (an xls will do fine!) “simulator” that will calculate the PO2 drop versus time and depth with a CMF rebreather. I have...

    Started by gtzavelas‎, 27th August 2008 13:05
    • Replies: 3
    • Views: 2,457
    28th August 2008, 09:45 Go to last post
  14. yet another off board gas addition thread

    heres my stab at it, please point out any fault/problems u see, and DONT hold back. i dont have any pictures, as its still in the planning process. ...

    Started by sidis8‎, 17th August 2008 05:01
    • Replies: 1
    • Views: 1,617
    17th August 2008, 08:51 Go to last post
  15. Why not li-po?

    Ok dumb (read newb) question, why isnt there any li-po power supplies in rebreathers? Granted they can be hairy if not treated with respect, but I...

    Started by MichaelS.‎, 9th August 2008 01:09
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,875
    10th August 2008, 00:46 Go to last post
  16. CO2 & scrubber duration

    I'm hearing that some are using a different tought process for scrubber duration. Rather than time, the idea is to use VO2 and convert that to...

    Started by mmcauliffe‎, 27th July 2008 13:09
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,064
    2nd August 2008, 14:35 Go to last post
  17. Wob

    Ok, I don't even have my first breather yet (pick it up this Thursday) and no training, (starts next week) so this may be a stupid question but.... ...

    Started by mmcauliffe‎, 8th July 2008 19:32
    • Replies: 7
    • Views: 2,404
    9th July 2008, 08:50 Go to last post
  18. OPV alternatives

    Having read Dr Mike's and Dave ******'s comments inter alia about OPV's, I'm wondering how many people have gone for more radical changes. One...

    Started by aainslie‎, 2nd July 2008 01:58
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 3,968
    8th July 2008, 18:29 Go to last post
  19. Poll Poll: Is my ECCR "safety critical life support engineering"?

    Following on from discussion about how we perceive our rebreathers I am interesting to see other peoples perspectives. Essentially what are your...

    Started by UKSteve‎, 2nd July 2008 14:43
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,286
    3rd July 2008, 04:41 Go to last post
  20. Inspiration mod

    I am diving a classic Inspiration with my own OMS harness and wing. I am finding it hard to get a descent trim with it being so butt heavy. I was...

    Started by andibk‎, 30th June 2008 05:07
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,541
    1st July 2008, 02:01 Go to last post

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