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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
    • Posts: 3,236
  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: 7,999
    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: 40,935
    19th October 2007, 16:24 Go to last post
  1. Counterlung questions

    So I was considering how I would implement counterlungs into my homebuilt and thought about using a set of 2ltr up front to stay fairly streamlined...

    Started by 19Hunter68‎, 5th June 2009 02:22
    • Replies: 2
    • Views: 1,113
    21st August 2009, 22:23 Go to last post
  2. Inspo Hand set will not power up

    Hi and Hello from Ireland, I hope I am in the right place for some help, My old Inspo Classic will not power up the handsets, I has not been...

    Started by Bigrhys‎, 23rd May 2009 22:25
    • Replies: 0
    • Views: 869
    23rd May 2009, 22:25 Go to last post
  3. LAR-V Shell Design

    Hi everyone..... I have searched the site and to date havn't found anything so apologies if this has already been discussed. I have a...

    Started by commachiogroup‎, 21st May 2009 22:47
    • Replies: 2
    • Views: 2,122
    23rd May 2009, 00:30 Go to last post
  4. Help me build a resource for us =)

    Greetings everyone! I will be out of the water for 4 weeks, and need a project that is worthwhile.. I've decided to, with your assistance,...

    Started by Scott‎, 19th February 2008 04:15
    • Replies: 4
    • Views: 1,485
    22nd May 2009, 11:50 Go to last post
  5. How to check R-22d cells? Oxy2

    I'm sure this has been covered, but I couldn't find what I was looking for. I just put two new sensors in my Oxy2. Old cells were totally...

    Started by firemandiver‎, 8th May 2009 21:20
    • Replies: 5
    • Views: 1,824
    9th May 2009, 03:51 Go to last post
  6. DIY Pressure Pot

    Hi All, Not sure if this is the right forum, but since we don't have a "DIY Equipment" forum yet, here it is. Being one of several members here...

    Started by Scuba_Vixen‎, 19th January 2006 21:48
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 12,283
    5th May 2009, 16:43 Go to last post
  7. Liquid Oxygen

    Anyone consider adapting a liquid oxygen system as used by people with COPD to underwater use?

    Started by Joe Botz‎, 2nd May 2007 02:19
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 10,883
    4th May 2009, 21:33 Go to last post
  8. Bailout Rebreather

    I had a quick look using the search facility of RBWand was surprised not to find anything on bailout rebreathers. I am either not using the search...

    Started by Steve-M‎, 24th April 2009 21:44
    2 Pages
    1 2
    • Replies: 10
    • Views: 4,307
    25th April 2009, 11:06 Go to last post
  9. Manual gas addition on Megalodon

    Why not connect the O2 and diluent adds into scrubber cannister the same way as the electronically controlled injectors are connected? The mixing...

    Started by RedDucati‎, 13th April 2009 00:17
    • Replies: 2
    • Views: 1,480
    13th April 2009, 01:41 Go to last post
  10. Cylinder valve stem square and thread sizes?

    Hello all, I would like to know what the various tank valve stem sizes are out there. I know that some are 5mm and 6mm square. Genesis valves are...

    Started by tlegner‎, 10th April 2009 00:57
    • Replies: 0
    • Views: 2,019
    10th April 2009, 00:57 Go to last post
  11. mCCR fixed IP?

    Okay, call me stupid for asking, and I know this topic is universally accepted as an unquestionable truth. Everyone says you must use a fixed...

    Started by bad_karma‎, 14th March 2009 07:20
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 3,438
    15th March 2009, 19:21 Go to last post
  12. Swagelok adaptors, which one?

    Hi RBW Can anyone help me finding the right Swagelok part numbers? I have: 7400 SS-QC6-B-600 STAINLESS QUICK CONNECT BODY, 3/8" TUBE ...

    Started by depth‎, 5th March 2009 08:00
    2 Pages
    1 2
    • Replies: 12
    • Views: 3,566
    7th March 2009, 23:53 Go to last post
  13. CF blending solenoid

    My LDS operator was complaining about having to adjust the flow of the oxygen of the continuous flow nitrox blending system and I got to thinking why...

    Started by wedivebc‎, 3rd January 2009 02:21
    • Replies: 9
    • Views: 2,772
    7th January 2009, 16:37 Go to last post
  14. sticky controller buttons

    my buddy and i both bought a pair of second hand inspiration rebreathers recently. we sent the head + controllers to APV after purchasing the...

    Started by Aude‎, 4th January 2009 17:57
    • Replies: 2
    • Views: 1,234
    5th January 2009, 09:06 Go to last post
  15. EN61508 and CE and other stuff

    While I have dove some home modified rebreathers, I feel that there is a real difference between doing something very risky, and controlling the...

    Started by fireman‎, 30th November 2008 19:19
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 93
    • Views: 10,783
    13th December 2008, 22:00 Go to last post
  16. Ray DSV dimensions...

    Looking to decrease my WOB... anyone know the internal dimensions of the Ray DSV; or more directly the external dimension of the rEvo WOB kit? ...

    Started by hoppyinca‎, 8th December 2008 20:21
    • Replies: 0
    • Views: 1,094
    8th December 2008, 20:21 Go to last post
  17. CE standards, where can I get them?

    Hi! Does anybody know where I can get all the CE standards for rebreathers? Either the "original" documents or a shorter writeup will do. /Edvin

    Started by Edvin M‎, 28th November 2008 17:56
    2 Pages
    1 2
    • Replies: 12
    • Views: 2,172
    29th November 2008, 12:55 Go to last post
  18. Getting Rebreather Logistics sorted in the Philippines

    Hi there everyone, I am currently getting rolling with a tech and rebreather operation in the central Philippines and need a bit of input. So I...

    Started by matt_reed‎, 6th September 2008 04:18
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,876
    21st November 2008, 07:13 Go to last post
  19. What is this. A different mouthpiece?

    I was diving off the CA coast last weekend and bumped into (literally) this diver on a rebreather The mouthpiece looked very different than anything...

    Started by DeepChick‎, 11th November 2008 03:56
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,308
    13th November 2008, 18:35 Go to last post
  20. Nominal loop volume and WOB

    Iíve 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: 1,136
    2nd November 2008, 20:50 Go to last post

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