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AAAAAHAHAHAHA! You one funny guy, Von! OK all you Florida criminals down there, tell me that your Al 80's have never seen 4000psi? Von, you do scuba dive, right? Jim Sender: bigvon@be*.ne* Date: 8/11/99 5:59 AM > > >Date: Tue, 10 Aug 1999 16:21:25 +0000 >From: bigvon@be*.ne* >Subject: Re: Ocean DIR > > >Truthfully Jim I thought you knew the difference between say a Luxfer >aluminum >tank and a LP Press Steel. Maybe you are just acting dumb. >The pressure rating on steels is a function of the US DOT requirements. >Compare those with european standards for the identical tank. These type >tanks can safely hold well above their rated pressure. Sure you may loose >some >longevity but so what. >Aluminum on the other hand will not tolerate substantial overpressuration by >the very nature of aluminum. >In addition, the pressure / volume relationship in an aluminum tank is no >where near that of a steel 120.. >Ready to try it???? > > >Jim Cobb wrote: > >> So, Von, explain to the group as to why you have such a callous disregard >> for LP steel rated pressure but stick to the letter of the law with the >> aluminum? It's getting kind of deep around here, Von, perhaps you better >> bail before you have to start treading Bullshit. >> >> Jim >> >> Sender: bigvon@be*.ne* Date: 8/10/99 6:05 AM >> >> >That's right Jim...there is a HUGE difference between 160 cu ft (80+80) >> >aluminum, >> > >> >and 154 cu ft (3400psi in LP 120) single steel. The rule of thirds is the >> >rule of >> >thirds.. >> >Bill >> > >> > >> >Jim Cobb wrote: >> > >> >> >> >> Lets face it, there is no amount of "overfilling" a 120 which will give >> >> you a decent margin of safety for both you and your buddy on a real >> >> decompression dive. You need to have rule of thirds and enough back gas >> >> to Deco out on if you loose your stage. >> > >> > >> >> ------------------------------------------------------------------- >> Learn About Trimix at http://www.cisatlantic.com/trimix/trimix.html > > ------------------------------------------------------------------- Learn About Trimix at http://www.cisatlantic.com/trimix/trimix.html -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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