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We just take a DIN reg. o-ring, wrap it around the bolt snap and tie it in with cave line.. When not in use it's clipped off and parked. If I need it fast, I break it off. It's cut and dry. Nothing theoretical about that... M -----Original Message----- > From: Michel Therrien [mailto:m.therrien@ne*.qc*.ca*] > Sent: Friday, February 26, 1999 7:37 AM > To: Kent Lind; techdiver@aquanaut.com > Subject: Re: Break-away for pressure gauge? > > > The easy rule is that you give whatever you are breathing.. If this is a > stage, you give the stage. > > So, the need for a breakaway is theoritical. However, I do > believe that in > certain instances, (reg. switch for example), the theory may not work. > > In this case, I am not looking for something to hopefully slide. I just > want to give it (or take it) right away. The attachment for the primary > regulator to the chest D-ring need not to be very strong. In fact, quite > often (especially for short trips), I don't attach the regulator at all > (note that after seeing a picture of me breathing from my stage while > scootering, I may change this practice--the regulator slipped on my right > arm, away from its normal position). A thin o-ring is easy to break and > strong enough for its purpose. > > The o-ring that I was taking about (and I'm sure it the same thing you are > talking about) allows the snap to slide on the hose (at least most of the > times ;-). My point is just that there is no reason to put something that > cannot be broken easilly. > > Michel > > > At 03:47 PM 2/25/99 -0500, Kent Lind wrote: > > > >Michel Therrien wrote: > >> > >> For the regulator, I don't use a tank o-ring... it is too strong. I > >> believe, it is harder to break the o-ring by pushing away from > the shoulder > >> than by pulling from the hip. > >> > >> As Dave mentionned, a thinner o-ring is better (I just failed > to use the > >> word preferable here ;-) > >> > >> What I use is a o-ring similar (the same) to what we find on > SL4 Underwater > >> Kinetics light. The O-ring is thinner and can break more easilly if > required. > > > >OK, the only place you should ever have your long hose clipped > off is to your > >chest d-ring when you are breathing a stage or deco bottle. > > > >The reason for making a breakaway clip on a long hose is so that > if an out > of > >air diver needs gas in a hurry, they can just grab the long hose > and pull it > >away > >even if it is clipped off. Alternatively, they could just take > the stage reg > >out of your > >mouth and you could go to the backup around your neck. > > > >In practice, I've found that you really don't need a breakaway > clip if you > can > >make > >a sliding clip. If you use David Shimell's method and you use a > large enough > >diameter o-ring you will end up with a bolt snap on your long > hose that can > >slide > >up and down. What happens then is that if an out of air diver grabs your > >clipped > >off long hose reg and pulls is that the hose will pull through > the o-ring and > >they > >will get sufficient hose to begin breathing. Once you've stabilized the > >situation > >you can get the hose unclipped and get everything sorted out. > You can also > >reach down and pull this reg up to your face without unclipping it if you > ever > >needed it. > > > >What I did is go to the local Ace Hardware store and buy a large > selection > of > >different size o-rings. They are cheap. Then I experimented > with them to > find > >the > >best size for making a sliding clip that can still be broken away if > absolutely > >necessary. > > > >-Kent- > >-- > >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > > > > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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