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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: 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: 41,155
    19th October 2007, 16:24 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: 3,535
    29th March 2008, 11:55 Go to last post
  3. 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: 8,039
    17th February 2010, 12:36 Go to last post
  1. Kiss Valve

    I wonder what would happen if the Kiss Valve or similar... is not used with a plugged balanced enviormental sealed first stage. Has anyone tried...

    Started by Joseph Grech‎, 1st April 2005 20:51
    • Replies: 3
    • Views: 2,254
    4th April 2005, 21:41 Go to last post
  2. Gradient Factor Choices

    Until VPM-B comes along for the Shearwater then GF it is... I know this is very much a personal choice but was wondering what you guys that use...

    Started by schford‎, 5th April 2005 18:34
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,558
    8th April 2005, 12:52 Go to last post
  3. which program

    I am planning to use some kind of program to plan my dives with, today i do all my planning using only tables, i have no computer, will get myself a...

    Started by Johnny Bekkestad‎, 3rd May 2005 09:17
    • Replies: 4
    • Views: 2,166
    3rd May 2005, 14:03 Go to last post
  4. Neopreane counterlungs?

    Hi All, I am considering changing my Inspiro counterlungs to smaller neopreane counterlungs, does anyone have any experience of this...

    Started by AndyMumford‎, 11th May 2005 18:32
    • Replies: 2
    • Views: 2,039
    11th May 2005, 19:55 Go to last post
  5. VPM sources

    Does anyone have a .pdf version (or other electronic format) of the Yount and Hoffman article 'On the use of a bubble formation model to calculate...

    Started by Divechick‎, 15th May 2005 19:02
    • Replies: 1
    • Views: 1,808
    17th May 2005, 01:46 Go to last post
  6. Question T-Piece mounted 4th cell - help needed!

    Just got a bomb-proof looking 4th cell holder off Mr Greekbird (cheers mate! :thumbsup: ) and was wondering if anyone has any experiences of these? I...

    Started by Mdemon‎, 22nd May 2005 11:51
    • Replies: 4
    • Views: 1,870
    22nd May 2005, 16:20 Go to last post
  7. Air Break with a rebreather

    Hi, Just to know what you guys actually do in the real life when it comes to air breaks. I personaly don't like them very much, and IMHO for me...

    Started by cedricverdier‎, 26th May 2005 12:08
    • Replies: 4
    • Views: 2,131
    26th May 2005, 16:05 Go to last post
  8. Question Effects of pressure on Inspiration handsets?

    I read somewhere that problems occur when diving the Inspiration very deep because of airspaces in the buzzer and the handsets. I was under the...

    Started by Mdemon‎, 13th June 2005 14:44
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 4,165
    16th June 2005, 09:57 Go to last post
  9. Depth Compensating O2 Supply Valve

    Hi Everyone, I just wanted everyone to know that I have completed development and testing on a depth compensating O2 supply valve for rebreathers. ...

    Started by Charles Johnson‎, 8th July 2005 20:25
    • Replies: 6
    • Views: 3,267
    11th July 2005, 03:28 Go to last post
  10. Almost Ready To Dive .....

    Hi All, Thought I'd post an update to the Dolphin CCR project. I'll do a full write-up later, after I've had it in the water. Everything...

    Started by Scuba_Vixen‎, 7th July 2005 08:36
    5 Pages
    1 2 3 4 5
    • Replies: 47
    • Views: 5,788
    16th July 2005, 18:44 Go to last post
  11. ADV Mod For CCR Dolphin .....

    Hi Guys, The CCR dolphin project is moving along very well. The planning is all done and all the parts are on the way. There's one...

    Started by Scuba_Vixen‎, 8th June 2005 18:22
    2 Pages
    1 2
    • Replies: 10
    • Views: 3,476
    21st July 2005, 04:59 Go to last post
  12. O2 and CO2 Hit

    I have been diving my KISS Classic now for about 9 months and it has been a great experience and I feel very comfortable with it. My biggest...

    Started by silentscuba‎, 20th July 2005 06:57
    • Replies: 4
    • Views: 2,007
    21st July 2005, 14:03 Go to last post
  13. Question Bail-out tank valve: open or closed?

    Hi, Just a quick poll about what you do with your Bail-out tank valve. Some divers prefer to leave it close (like a deco/stage tank for OC...

    Started by cedricverdier‎, 26th July 2005 09:48
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 4,470
    30th July 2005, 08:31 Go to last post
  14. Short exposure tolerance to very high PPO2s.

    Advice is sought from those who have knowledge on short exposure tolerance to very high PPO2s. The situation that I am seaking advice about is as...

    Started by Drmike‎, 11th July 2005 13:44
    4 Pages
    1 2 3 4
    • Replies: 31
    • Views: 4,535
    1st August 2005, 13:16 Go to last post
  15. bailout tables

    just a quick question: I 2 sets have tables one CCR on CCR with OC bailout should I put the OC bailout on the back off the CCR tables or as a...

    Started by Beanie‎, 2nd August 2005 13:17
    • Replies: 8
    • Views: 2,291
    3rd August 2005, 13:59 Go to last post
  16. Dolphin accessories

    Anyone able to let me know the pros & cons of the Draeger Oxyguage versus the Uwatec Oxy2 & Aladin NitroxZ for use with a Dolphin SCR? Thanks...

    Started by MarkK‎, 1st August 2005 12:52
    • Replies: 5
    • Views: 2,044
    4th August 2005, 01:57 Go to last post
  17. Moved: Paper on Oxygen exposure

    Started by Drmike‎, 12th August 2005 11:37
    • Replies: -
    • Views: -
    13th August 2005, 12:16 Go to last post
  18. 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: 9,786
    15th August 2005, 10:26 Go to last post
  19. oem oximeter for CC

    I"m interested in designing one of our OEM oximeters into a rebreather .developing for myself or with others, I can certainly aquire the pulse...

    Started by shell-back‎, 15th August 2005 21:21
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,329
    21st August 2005, 04:32 Go to last post
  20. Passive display on Bail-Reb.

    Hi all, I'm moving to modify my Bail out Joki rebreather, I'd like to change the PpO2 digital display with 2 prism topaz secondary passive display...

    Started by Mario‎, 26th August 2005 20:40
    • Replies: 8
    • Views: 2,278
    28th August 2005, 14:13 Go to last post

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