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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
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  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: 8,016
    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: 3,533
    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: 41,083
    19th October 2007, 16:24 Go to last post
  1. Abyss Vampyr Rebreather

    Abyss Vampyr Best regards; Janwillem Bech Rebreathers Worldwide

    Started by Janwillem Bech‎, 29th March 2007 00:32
    • Replies: 7
    • Views: 3,552
    29th March 2007, 14:52 Go to last post
  2. What makes a rebreather a rebreather?

    From time to time I have been quite impressed with truly novel designs and products in the rebreather world...kudos to those who are on the forefront...

    Started by OceanOpportunity‎, 13th March 2007 22:45
    • Replies: 3
    • Views: 1,610
    26th March 2007, 00:38 Go to last post
  3. Halycon PSCR manual wanted

    Hi, I am looking for Halcyon semi closed passive addition rebreather manual sometimes is called " Big Hall" (predessessor of the RB 80). ...

    Started by marcinkr‎, 20th March 2007 12:05
    • Replies: 9
    • Views: 2,523
    23rd March 2007, 11:03 Go to last post
  4. Question Designing rebreathers that need no tools?

    What are the pro's and con's of designing a rebreather so that it can be stripped apart without using any tools? Alternatively, is it that big a...

    Started by marekm‎, 18th March 2007 08:36
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 2,957
    19th March 2007, 16:34 Go to last post
  5. 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: 8,232
    16th March 2007, 19:47 Go to last post
  6. 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: 9,341
    8th March 2007, 14:26 Go to last post
  7. Monitoring

    I have Just finished wiring my monitoring unit together. I can take little credit as the display units are made by Dave Mager and the three cell...

    Started by AMW‎, 22nd February 2007 15:45
    • Replies: 9
    • Views: 2,409
    6th March 2007, 14:23 Go to last post
  8. New low profile rebreather valves

    We have finally manufactured our low profile rebreather valves. If anybody is interested in these please feel free to contact us. We find those...

    Started by fredrik‎, 17th November 2006 22:53
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,977
    4th March 2007, 17:44 Go to last post
  9. What Rebreathers have CE and other questions

    I might be late on this one... What rebreathers out there: A. Have CE Rating? B. Have been Tested and not received CE Rating? C. Never...

    Started by mattwave‎, 4th March 2007 15:00
    • Replies: 0
    • Views: 1,370
    4th March 2007, 15:00 Go to last post
  10. Rebreather that uses standard air?

    Are there any rebreather systems that operate off of a standard tank of air rather than Nitrox, Heliox etc.? Hoe do these work to be efficient and...

    Started by wetwilly‎, 28th February 2007 04:03
    • Replies: 6
    • Views: 2,952
    28th February 2007, 22:50 Go to last post
  11. RB 80 / "boris" hoses

    Hi anybody knows where to get these hoses??? Marcus

    Started by marcus w‎, 28th February 2007 14:55
    • Replies: 1
    • Views: 1,599
    28th February 2007, 15:54 Go to last post
  12. Question O2 IP on Inspo?

    Hi all What is the Interstage Pressure for the O2 cylinder on the Inspo? My belief is that its 7.5B and this is absolute, not relative to...

    Started by Nick Kay‎, 14th February 2007 17:08
    • Replies: 6
    • Views: 1,828
    15th February 2007, 15:57 Go to last post
  13. 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: 16,513
    15th February 2007, 14:31 Go to last post
  14. mCCR vs eCCR

    Hello folks, With the many threads discussing advnatages/disadvantages of e- vs m- CCR, I'm hoping to consolidate some thoughts from all along...

    Started by OceanOpportunity‎, 3rd February 2007 14:14
    2 Pages
    1 2
    • Replies: 18
    • Views: 8,849
    8th February 2007, 17:48 Go to last post
  15. Theft/Damage/Loss Insurance CCR?

    I was wondering if you have your CCR insured for theft/damage/loss in the USA? I did a light search and didn't find what I was looking for. I have...

    Started by luxrok‎, 8th February 2007 00:30
    • Replies: 2
    • Views: 1,344
    8th February 2007, 02:53 Go to last post
  16. Interveiw with Bill Stone

    I just read this interveiw with Bill Stone. Though it's not specifically about rebreather designs, it gives a insight in why and when his...

    Started by Johnny Christensen‎, 5th February 2007 10:24
    • Replies: 0
    • Views: 1,800
    5th February 2007, 10:24 Go to last post
  17. materials for rebreather construction

    Hey all, Does anyone have any specific materials science or other technical references referring to the use of PVC for rebreather components?...

    Started by OceanOpportunity‎, 18th January 2007 00:32
    2 Pages
    1 2
    • Replies: 11
    • Views: 3,490
    22nd January 2007, 15:18 Go to last post
  18. Next generation rebreather - your wishlist

    I thought it would be good to compile a wishlist for the rebreather of the future. Anything practical, useful, outrageous, new, ..., you can think...

    Started by sven‎, 27th November 2006 13:31
    2 Pages
    1 2
    • Replies: 14
    • Views: 4,358
    20th January 2007, 15:54 Go to last post
  19. CAD drawing inspo head

    Hi guys'n'girls, Does anyone happen to have a CAD drawing of an inspo head. Will be highly appriciated, rewarded, etc. Denz.

    Started by denzel‎, 16th January 2007 13:54
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,214
    20th January 2007, 10:25 Go to last post
  20. need to modify

    I notice alot of posts about people modifying their rebreathers. Is it because of the type of diving you do on your kit...several minutes of deco...

    Started by jepuskar‎, 26th December 2006 03:51
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,441
    7th January 2007, 22:07 Go to last post

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