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  1. J

    Bonex

    Hi I read that Bonex has gone belly-up. Any details?! Thanks
  2. J

    Video -double rebreather, double dpv -312M

    Hi Here is the video of the 312M. It is fast :) Check also the other videos to get an idea of the set-up.
  3. J

    308 meters in a cave

    Hi Frederic Swierczynski went down to 308 meters in a cave in France...that's deep :) Details coming soon I hope.
  4. J

    In a cave in China...again :(

    Another accident :( https://www.chinadaily.com.cn/a/202310/09/WS6523f557a31090682a5e78cd.html
  5. J

    Scubapro UL: INT to DIN

    Hi I was lucky enough to get a secondhand MK18 UL. The UL label is not a marketing gimmick; it is really Ultra Light :) It is clean outside and seems fine inside as the IP is stable. The problem, for me, is that it is not in DIN and I would like to change that. I had already changed regs from...
  6. J

    277.4 meters in China

    Hi Saw a post on FB about a 277.4 meters, 12.5 hours dive in a cave in Guangxi province in China. Double SM Liberty. A third at 50m. Deco in habitat and...use of neox!!!! It seems it is the same cave where the Mules went a few years ago.
  7. J

    Unpotting wires

    Hi I have a rebreather and the wires for the cells are potted in a resin-epoxy material. To do some mod, I would like to remove the resin-epoxy to have access to the wires. By googling, I saw that boiling water works but I am afraid of damaging the monitors 'cables coming out of the potted...
  8. J

    Copies of FF

    Hi. I bought some boxes of diving equipment and I was lucky to find two pairs of Force Fins. Well both pairs looks alike but one pair doesn't have the logo and any marked size. I was wondering if they were copies... Edit: the pair without the logo has the size marked the other way.
  9. J

    Mares - Uwatec transmitter

    Hi Yes, I have read the sticky about transmitters but, as I know nothing about AI computers (who needs that anyway :) :)). I am calling your expertise about this transmitter I got as an extra when I bought a second hand reg. It is written 'Uwatec compatible" but has the Mares logo. Which...
  10. J

    Apeks experts :)

    Hi I have these two reg. One is a DS4 and the other (green saddle) looks like a DS4 but it has 2 HP and only 3LP and the positions of the ports are not the same as the DS4. No CE marking as it may be from before compulsory CE marking (date?!) Any ideas? Thanks
  11. J

    Is the Sidewinder a real SM unit?

    Hi Just for the sake of talking :) In a thread about a person refusing to choose a SW because it is an SM unit, it makes me wonder if the SW is really an SM unit :) Indeed, should not the SW just be defined as a modified Spirit with only the canisters placed further apart and by then considered...
  12. J

    Compass-depth meter combo in one instrument - New version

    Hi I was about to post in the "instruments" section but if I had done it, I would have gotten answers telling me to get a SW, so I post here even if I am looking for a "modern" device :) :) Indeed, i came across this YCM combo compass-depth meter ( Sold Price: Vintage YCM 200 Feet Depth Gauge w/...
  13. J

    Blue R190

    Hi In this thread Scubapro G250 and R190 I saw a pic of a few R190 "crystal blue". A few days ago, I got lucky as I bought these 2. Has anybody any info about this specific model? Thanks
  14. J

    Scubapro mk?

    Hi A friend of mine has found these SP regs and he is going to pass them to me. If I can easily say that on the right side there is a column of 4 mk2s and that the one on the lower left is a mk20, I wonder if the top left is a mk10 DIN, the second column 2 mk10 and the third column 2 mk5. I am...
  15. J

    OW = Pamb-Pb = mτα1/Vb1-m

    Hi Just read this interesting article on DAN It’s The Metabolism, Stupid: A New Model for Bubble Formation Is it common sense put in an equation? :) Jale EDIT: oops just realised it is an almost one year old article o_O
  16. J

    ADV or no ADV that is the question :)

    Hi In a thead about a KISS RB, one participant said it doesn't use an adv. I do the same. I have really never understood the use of an ADV relatively to the weak points it brings. ADV is used mainly when you go down but you must also adjust dry suit and wing so what is the point of using an ADV...
  17. J

    Average total dive depth to estimate your surface Gf

    Hi In the thread "Your Gradian factor?", @_Ralph and I hinted we use the total average depth of a dive to have an approximation of the surface Gf. This "trick" has been used well before the SW has the 'surface Gf" mode and I was wondering if other divers are/were using this. (-Ralph, I hope I...
  18. J

    Serial Numbers

    Hi I wanted to list my regs to facilitate servicing and I found out that some have serial numbers and some haven't. -All my Apeks have them: .the 4 xtx sets have the first and second with the same number, the 2 ds4 have number. -the Scubapro: .the 2 mk20 have number, .some mk2 have, some don't...
  19. J

    Who is still diving a Boris?

    Hi The thread about the Redbare reminded me the Sentinel and by extension with the UK connection, the Ouroboros aka "Boris" :) Last time I saw it in action was many years ago, when exiting a cave in Europe, I came across Stanton and his home made RBs followed a bit later by Volanthen with a...
  20. J

    to upgrade an 109 to BA

    Hi I did looked in old threads about what to do to upgrade a Scubapro 109 to a balanced model but I am still a bit confused:( Do I need to change all the parts inside the fixed barrel or just the poppet or whatever? And where can I find these parts? Thanks :)
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