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Forum: Counterlungs - RDG

Discussions on rebreather counterlung designs for the RBW - Rebreather Design Group (RDG)

  1. Elastic Bands on btm of BMCL

    Not sure if this has been discussed before, but what about putting elastic bands on the bottom of bmcl's to help balance the static forces (wob)? ...

    Started by jeff h‎, 2nd April 2018 16:30
    • Replies: 1
    • Views: 388
    2nd April 2018, 18:20 Go to last post
  2. Active static load balancing?

    I remember once reading of a Mk 15 or 15.5 modified with a fan in the loop to help with the WOB while DEEP. Has there been any significant work...

    Started by Danseur‎, 28th November 2015 23:12
    • Replies: 0
    • Views: 1,154
    28th November 2015, 23:12 Go to last post
  3. Why have two?

    All CCRs that I know of have two counterlungs - one before the scrubber (exhale) and the other after (inhale). Is this essential to the correct...

    Started by NeilRickards‎, 23rd September 2013 12:42
    2 Pages
    1 2
    • Replies: 18
    • Views: 3,859
    2nd May 2015, 01:26 Go to last post
  4. Ideal Counterlung Size

    This seems like an obvious question, but I couldn't find any reference to it in search. What is the ideal counterlung size. I would think it should...

    Started by Professor86‎, 3rd June 2014 03:33
    • Replies: 0
    • Views: 1,104
    3rd June 2014, 03:33 Go to last post
  5. Myths about O2 mixing with diluent in a rebreather.

    Im so tired of all the people believing that there is such importance to how hard it is to get the injected oxygen to blend and mix evenly when added...

    Started by PoseidonSv‎, 31st March 2014 10:54
    • Replies: 6
    • Views: 1,534
    31st March 2014, 15:49 Go to last post
  6. cooper hoses

    I am using 11in coopers from my machine to some bmcl when the ccr is on the hose length is great ,though when it is standing and the t peaces drop as...

    Started by dspe‎, 11th June 2013 21:06
    • Replies: 0
    • Views: 1,155
    11th June 2013, 21:06 Go to last post
  7. CL weakened after many cycles of Pos P tests...

    Hi all, Not sure if this is anything worth posting about, nor does it really matter, since a Pos P test of loop is essential, but I'm starting to...

    Started by deeprapture‎, 31st March 2013 03:09
    • Replies: 2
    • Views: 1,014
    4th April 2013, 07:15 Go to last post
  8. Counter lung T construction ideas?

    I started this thread so I can get some fresh direction on how to build my own T's. Looking to hear from you home builders what you have used in the...

    Started by BKSOLLY‎, 27th October 2012 21:27
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 4,258
    31st October 2012, 21:38 Go to last post
  9. ok I am the dumb one.....moving on...

    I will submit to the previous disscussions about theivery and all that aside... Being that there are only two options for a bmcl that makes any...

    Started by 19Hunter68‎, 24th September 2012 21:47
    • Replies: 0
    • Views: 1,063
    24th September 2012, 21:47 Go to last post
  10. Counterlung Materials and Construction

    I am not 100% sure if the aim of this new section is the final design of a generally accepted Home Build (like various small planes, kit cars etc....

    Started by Dave1w‎, 18th August 2009 07:57
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 12,393
    3rd June 2012, 19:27 Go to last post
  11. Polyurethane film

    Does anyone have a USA source for polyurethane film? Looking for something suitable to make counterlungs out of. Thanks, John

    Started by DepthCharge‎, 21st December 2011 18:24
    • Replies: 5
    • Views: 1,823
    1st March 2012, 02:23 Go to last post
  12. Rigid Counterlungs?

    I've been working hot and heavy on my new homebuild, and this time around I'm gonna be making my own CL's using heat sealable fabric. It got me...

    Started by firemandiver‎, 28th October 2010 15:29
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 4,400
    10th November 2011, 09:13 Go to last post
  13. OTSCL in a current

    Done a few searches but haven't found any comments about how well OTS counterlungs perform when in a current. I would suspect that BMCL would be...

    Started by bowzer‎, 5th December 2010 15:16
    • Replies: 7
    • Views: 2,058
    28th December 2010, 21:05 Go to last post
  14. OTS CL: T piece vs Prism style

    Looking at counter lungs: The T piece seems to be easier to build and set up, where as the Prism/UT240 style seems a bit more streamlined and...

    Started by kingmob3‎, 29th November 2010 01:48
    • Replies: 5
    • Views: 2,260
    1st December 2010, 13:28 Go to last post
  15. FMCL or BMCL...which is better for a woman?

    Hi, I am trying too be as clinical as possible with this question. I am just curious as to when it comes to a womans "endowments" and thus moving...

    Started by 19Hunter68‎, 15th November 2010 19:52
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 4,258
    20th November 2010, 01:14 Go to last post
  16. Counterlung Question

    I'm working on my new homebuild, and this time I will be making my own CL's from heat sealable fabric. As it came from Drager, the OPV is in the...

    Started by firemandiver‎, 31st October 2010 21:03
    2 Pages
    1 2
    • Replies: 10
    • Views: 3,075
    1st November 2010, 15:50 Go to last post
  17. Heat Sealable nylon from Seattle Fabrics

    I have ordered some of the -Heat Sealable Oxford 200 Denier- from Seattle FAbrics some time ago and completely forgot about them. The idea was of...

    Started by bartek‎, 22nd June 2010 18:40
    • Replies: 0
    • Views: 2,859
    22nd June 2010, 18:40 Go to last post
  18. Counterlung questions

    I am in the process of making a dual counterlung set up for my IDA and a few questions have surfaced. 1. What is peoples preferred CL size and...

    Started by Packhorse‎, 22nd April 2010 09:10
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,446
    3rd May 2010, 10:24 Go to last post
  19. Counterlungs

    Front or Back? as this will inevitably dictate the structure of the design. Cheers, Hunter

    Started by 19Hunter68‎, 17th August 2009 03:55
    • Replies: 9
    • Views: 2,623
    10th January 2010, 13:31 Go to last post
  20. Use of hydrophobic membrane

    Hello, I am curious to know how hard it is to breath thru a hydrophobic membrane. My thought is, let's say on the exhale CL that uses a T port,...

    Started by 19Hunter68‎, 24th November 2009 01:41
    • Replies: 4
    • Views: 3,442
    24th November 2009, 20:43 Go to last post

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