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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: 229
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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: 7,989
    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: 3,519
    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: 40,860
    19th October 2007, 16:24 Go to last post
  1. Would an integrated O2 tank pressure monitor be safer?

    The fatality that occurred this past weekend got me thinking on this subject.... Considering the severe consequences that result if the oxygen is...

    Started by chrisp‎, 19th March 2008 06:08
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 5,377
    25th March 2008, 10:18 Go to last post
  2. Drager CCR vs. Other Rebreathers

    Hello, I need a rebreather but my wife says I can't afford a rEvo. Something about buy a house, not a bachelor anymore, whatever.... ...

    Started by Bellhemen‎, 20th March 2008 03:42
    2 Pages
    1 2
    • Replies: 14
    • Views: 6,994
    23rd March 2008, 17:12 Go to last post
  3. System for reporting dangerous products in the European union

    As I am somewhat involved in the safety of diving in the Swedish Sportsdiving federation, I have come in contact with the Swedish Consumer Agency...

    Started by Håkan K‎, 19th March 2008 11:04
    • Replies: 8
    • Views: 1,454
    19th March 2008, 12:56 Go to last post
  4. What would it take for an interested to buy?

    Dear List, Here is a question for those watching from the sidelines and others who wish to share their experience in getting into rebreathers: ...

    Started by zzzzzzzz‎, 9th March 2008 23:40
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,742
    15th March 2008, 14:40 Go to last post
  5. What's the state of rebreathers for mountaineering?

    This isn't a diving post, but it is in the "Rebreather Design and Operation" forum... so here goes. I recently finished a book on an ascent of...

    Started by DeepGeek‎, 10th March 2008 21:05
    2 Pages
    1 2
    • Replies: 10
    • Views: 7,246
    14th March 2008, 17:43 Go to last post
  6. O2 Dummy Light

    So I was reading about the Meg Pool incident, and there a ton of great feedback including Dave ******'s mention of standardizing HUD LED signal etc....

    Started by brockbr‎, 11th March 2008 18:29
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,183
    12th March 2008, 20:44 Go to last post
  7. Fundamentals Of Constant Mass Flow (CMF) Systems

    CMF basics re-visited...this will make do till the original article submitted to RBW gets archived in the RBW Library. Hope its worthwhile to the...

    Started by DanDunfee‎, 2nd October 2007 17:20
    2 Pages
    1 2
    • Replies: 10
    • Views: 6,209
    8th March 2008, 23:03 Go to last post
  8. Meg O2 swagelock fitting - replaced with inflator fitting?

    hello forum, just thinking if instead of having the swagelok fitting in an "L" shape, has anyone tried to have a inflator type fitting and have...

    Started by Outlaw‎, 6th March 2008 18:05
    • Replies: 2
    • Views: 1,337
    6th March 2008, 20:46 Go to last post
  9. Mixing types of sorb?? Sofnolime and Sodasorb?

    Any issues with filling a scrubber with a mix of sofnolime and sodasorb? I have 1 partially used keg of each, but neither is enough to fill my...

    Started by Steve Schultz‎, 4th March 2008 13:24
    2 Pages
    1 2
    • Replies: 11
    • Views: 2,415
    5th March 2008, 04:22 Go to last post
  10. Monitor hyperventilation in lieu of CO2?

    Just curious – do people feel that there would be any value measuring breathing rate in the loop and setting an alarm for unusually high rates? ...

    Started by tassie_rohan‎, 22nd February 2008 02:59
    • Replies: 2
    • Views: 1,235
    3rd March 2008, 21:55 Go to last post
  11. Cis Lunar Gas-Block

    Does anyone here on the forum have more info on the Gas-Block used on the Cis Lunar Mk5-P: flow-drawings, pics, ... and how it is implemented on the...

    Started by Belgium137‎, 27th February 2008 21:29
    2 Pages
    1 2
    • Replies: 10
    • Views: 5,583
    3rd March 2008, 14:29 Go to last post
  12. Adjusting the O2 Flow Rate - Kiss Valve

    Using the old style Kiss valve and am doing my first adjustment of the O2 flow rate, the papers Kim sent me talk about the relationship between the...

    Started by 5000grapas‎, 20th February 2008 19:45
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,670
    26th February 2008, 00:51 Go to last post
  13. cracked scrubber

    Hi all, just went to empty scrubber knocked it off table onto floor:mad: crack runs about 9ins around scrubber,question is it feasible to "weld"...

    Started by Lee C‎, 24th February 2008 19:31
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,397
    25th February 2008, 19:58 Go to last post
  14. mCCR Style

    Ive finally realized that it would be quite a while before I can afford an eCCR like the ones I dream about. So Ive been looking at different...

    Started by seeboth‎, 19th February 2008 19:03
    • Replies: 8
    • Views: 2,155
    20th February 2008, 19:27 Go to last post
  15. Want to help design a new rebreather?

    I am sure you have seen the thread on CO2 testing, at the end of it Alex proposes utilising our collective experience to help design an open source...

    Started by schford‎, 24th July 2005 18:24
    4 Pages
    1 2 3 4
    • Replies: 39
    • Views: 7,669
    16th February 2008, 05:44 Go to last post
  16. Difference between breathing hoses

    With all these WOB discussions i would like to know how big difference you could get with hoses with a smooth inner (cooper etc) compared to...

    Started by P3‎, 13th February 2008 18:50
    • Replies: 4
    • Views: 1,530
    14th February 2008, 13:20 Go to last post
  17. Drysuit inflation with O2

    I thought this subject should have a dedicated thread. I yet know nothing about DS diving, but I'll soon need to learn (heading to the colder...

    Started by Gilles‎, 9th February 2008 00:34
    • Replies: 8
    • Views: 2,068
    9th February 2008, 13:45 Go to last post
  18. LP Inflator Hoses?

    I am planning to install LP inflation hoses on the regulators to all 4 of my bailout bottles. I want to be able to plug any tank into my manual add...

    Started by Dsix36‎, 6th February 2008 19:07
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,523
    8th February 2008, 21:00 Go to last post
  19. Solenoid Replacement

    Does anyone have a cad drawing or a part number for the inspiration solonoid. I'm looking to replace my current electronics, and would like to retain...

    Started by Stigolike‎, 31st January 2008 19:38
    • Replies: 1
    • Views: 1,056
    31st January 2008, 19:46 Go to last post
  20. Lightbulb The perfect rebreather

    Hi all By nature, I am a critical engineer who can't help myself evaluating technical equipment, finding flaws, apricatte good design, wonder why...

    Started by depth‎, 20th September 2007 09:04
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 4,462
    30th January 2008, 13:57 Go to last post

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