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Do HE locks work on scooter motors as well as they do my tanks? Every Tech diver should have a Farb HE lock on their tanks, to do otherwise is wasting a limted resource! Sean ----- Original Message ----- From: <kirvine@sa*.ne*> To: "Todd Baldi" <sandiegoaes@ya*.co*> Cc: <Jbdvr@ao*.co*>; <techdiver@aquanaut.com> Sent: Thursday, December 30, 1999 7:48 PM Subject: Re: burst disc's > You are right - the helium leaked out of my gas and got into my scooter, > thus cooling the motor. > > I pitch the tanks in five years, not one. I VIP them at home - even a > suspicious line and their gone. One blew on me at a dive shop in > Lauderdale, and you could not get near it without the air cutting > whatever was in its path like a knife. The one in the habitat the neck > started coming apart, but I refused to pick it up and so did JJ, so we > sat with it and dared each other to jettison it, for about three hours. > Then I put it back on and dove it. This is not nearly as bad as me > moving the alligator off of my deco bottles by hand with Barry filming > it two feet away. The head looked like a trash can with lips. > > Todd Baldi wrote: > > > > George, > > > > You better not dive those doubles mixed in 1997. > > According to Bill Stone's Wakulla book all the helium > > molecules have escaped by now and you only have a > > nitrox mix. > > > > On a more serious note, can you give more info on the > > tank going on you in the habitat? What happened the > > burst disc blew? I knew that the Luxfer tanks had a > > problem with their tanks containing to much aluminum > > in them and developed neck cracks. Is this what you > > are refering to? What reasons do you have for not > > using an aluminum for more than a year? > > > > TB > > > > --- kirvine@sa*.ne* wrote: > > > What does WKPP do? We plug them with 1/16" shim > > > material. We generally > > > fill the tanks to about 3300 . We also throw them > > > away when they get > > > old. Also, most of us have several sets, so no one > > > set gets to much > > > cycling, which is what kills the tank. > > > > > > One big problem with steel tanks is that they will > > > pas hydro pretty much > > > no matter what since they tend to stretch and stay > > > that way, so then do > > > not show the overstretch and failure to return in > > > the hyrostatic test. > > > > > > Better to leave tanks full all the time than cycle > > > them. In WKPP, our > > > rules are specific as to gas manmgement - we are the > > > worlds biggest > > > weenies - we usually do not even touch the backgas, > > > so many of us go > > > months without refilling cave gas doubles. I have > > > sets marked 1997 still > > > in the que. > > > > > > For anyone else who is just doubles diving, I would > > > suggest buying new > > > tanks and pitching them rather than hydroing them if > > > you are diving > > > constantly. > > > > > > For aluminum tanks, I would definitely give them the > > > boot every few > > > years. These things at $100 per are not barely even > > > worth VIPing a > > > second time in my opinion. I have already had a few > > > of these go of on me > > > in the fill bin , but luckily they did not come > > > apart. One came apart on > > > me and JJ in the habitat. > > > > > > > > > Jbdvr@ao*.co* wrote: > > > > > > > > Yet another question. I, like everyone else who > > > dives in north-central Fl, > > > > Pumps their steel's to 3300 to 3500 psi. Should > > > this practice be stopped > > > > after a certian time period,say 5 to 6 years? My > > > burst disc's are the > > > > originals, rated for 3000 psi. A lot of people say > > > that the best thing to do > > > > is; double burst both tanks to remove a potential > > > failure point,OR plug one > > > > tank and install a 4000psi disc in the other one > > > OR install 4000 psi disc in > > > > both tanks OR, do nothing. What does the WKPP or > > > other hard-core cavers do? > > > > thanks....Joe B > > > > -- > > > > 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'. > > > > > > > __________________________________________________ > > Do You Yahoo!? > > Talk to your friends online with Yahoo! Messenger. > > http://messenger.yahoo.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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