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This is a multi-part message in MIME format. --------------2BB42BC4D0569ED094DAC43C Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit --------------2BB42BC4D0569ED094DAC43C Content-Type: message/rfc822 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Mozilla-Status2: 00000000 Message-ID: <37B05185.D73D19A@be*.ne*> Date: Tue, 10 Aug 1999 16:21:25 +0000 From: bigvon@be*.ne* X-Mailer: Mozilla 4.51 [en]C-bls40 (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Jim Cobb <cobber@ci*.co*>, techdiver@aquanaut.com Subject: Re: Ocean DIR References: <199908101542.LAA05374@ma*.be*.ne*> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 --------------2BB42BC4D0569ED094DAC43C-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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