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Jim, they are not doing complex stuff -- they are complicating what is so simple to do. At 09:37 PM 8/16/1999 -0400, you wrote: >Joel- > >I find it hard to believe that these guys are doing complex technical >dives without even a basic understanding of partial pressure physics. > >>to step it up a stroke notch -- check out all of the "remote isolators" >>that are typically found with the pony. > >Oh, and don't forget the AirII's on both inflator hoses. > > Jim > >Sender: Joel Silverstein Date: 8/16/99 7:50 PM > >>Jim, >> >>That's not it -- they just dont understand that its not needed. They dont >>understand partial pressures, they dont understand that you dont need a >>hypoxix mix for a 250 fsw dive, you don't need convoluted buffonery. It's >>just one more piece of junk on an already overweight rig. Now if you want >>to step it up a stroke notch -- check out all of the "remote isolators" >>that are typically found with the pony. >> >>regards, >>jds >> >>At 05:37 PM 8/16/1999 -0400, Jim Cobb wrote: >>>Bill- >>> >>>I think that the main rational on using the travel air pony is to >>>"conserve" your backgas trimix so you will have enough left to do a air >>>top for the next dive. I know this is a dumb argument, I am just pointing >>>it out. >>> >>> Jim >>> >>>Sender: Bill Mee Date: 8/16/99 2:15 PM >>> >>>>JT, >>>> >>>>I thought I smelled something funny here and I should have guessed that it >>>>had the whiff of air. It seemed a bit odd that the only thing which was not >>>>reported was the gas pressure and the regulator dispositon of the Charlie's >>>>pony bottle. Naturally, I thought that the idea of an air pony was beyond >>>>the pale stupid, but when I noticed the photo of this deviant behavior being >>>>proudly displayed on Christina Youngs website I began to suspect that the >>>>practice is more widespread than is freely admitted. >>>> >>>>After reflecting on the matter, it became clear that the "air pony" was the >>>>probably the rat in the woodpile. IANTD still endorses the use of air to 50 >>>>metres, which is the approximate depth of the top of the Doria. I will bet >>>>that the fear of breathing hypoxic trimix at the surface and the fear of >>>>breathing an hyperoxic deco gas past it's breathable depth is leading people >>>>to use air as a travel gas. As George clearly pointed out this is not so >>>>smart. If one gets into any kind of cluster on the way down, which is >>>>usually where they occur, then the problem is vastly compounded. >>>> >>>>What never ceases to amaze me is that you guys love of the personal >>>>preference inevitably leads to the institutionalization of a farm animal >>>>practice. What other little secrets do you guys have in your tank boot? >>>> >>>>-----Original Message----- >>>>From: kirvine@sa*.ne* <kirvine@sa*.ne*> >>>>To: techdiver@aquanaut.com <techdiver@aquanaut.com> >>>>Cc: wwm@sa*.ne* <wwm@sa*.ne*> >>>>Date: Monday, August 16, 1999 11:29 AM >>>>Subject: Doria Deaths - Let's dive some air >>>> >>>> >>>>>JT, et al, let's get back to your recent Doria recovery. You all keep >>>>>skipping the fact that this guy had an air bottle ponied between his >>>>>doubles. Forgetting that this is too stupid for anyone but Christina >>>>>Young, who has this cluster on her web site in living color, maybe we >>>>>need to look a litle closer at just how this probably came into play. >>>>> >>>>> The guy was diving mix, right? Well, I have noticed that the farm >>>>>animals tend to tell people to use a "travel gas" from the surface, >>>>>rather than just drop down. Is there a chance that our boy did this with >>>>>his air pony and then effectively was diving air at depth when he had >>>>>his "problem"? Even when you switch to mix, it takes a couple of minutes >>>>>to take effect, meaning that even if he switched back before he hit >>>>>depth, he was still being effected. If one really has to do this, one >>>>>needs to do it with another trimix,and then hold position for two >>>>>minutes before continuing the decent, but that still should not be >>>>>ponied between the back tanks with the regs everywhere. >>>>> >>>>> Come on JT, what do you think? I realize that this is so stupid as to >>>>>be criminal, but I think it happened. How much gas ( air ) was left in >>>>>the pony, guys? Can you tell us that? >>>>> >>>>> By the way, the concept of a pony is a vestigal throwback to the days >>>>>of single port manifolds, where a pony was indeed a necessity. However, >>>>>as of about 1971, when the Benjamin ( dual port) manifold was created, >>>>>this became nonsense, and become totally useless when the isolator was >>>>>added to the dual port manifold. Only the worst boat monkee fails to >>>>>understand this. >>>>> >>>>> Then to put air in the pony is too much. Then to not know what >>>>>happened, and to report the accident while leaving out the most >>>>>important information, is why you guys keep having accidents. >>>>> >>>>> JT, are we going to stick with the bullshit, or are we going to start >>>>>learning something. Your call - make your move, tell us what really >>>>>happened. Where was the pony reg ( and what as the reg config) when you >>>>>recoved the body, and how much gas (air) was left in the pony? >>>>> >>>>> >>>>> >>>> >>>> >>> >>> >>> ------------------------------------------------------------------- >>> 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'. >>> >> >> > > > ------------------------------------------------------------------- > 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'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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