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Even with mechanical rebreathers, no one should be considered a rebreather instructor until they 1. own a unit and 2. have 100+ hours in open water dives on the unit- no pool hours should count. The IANDT/TDI whatever, training of a rebreather instructor in a two-week course is ludicrous. On Wed, 4 Sep 1996, John Todd wrote: > rich,no one who takes one of those 4 day iantd/tdi/whatever agency > courses on "rebreather diving" will be trained right to deal with manually > controlling the functions of the rebreather that are normally controlled by > the computer.you of all people should realize that.on top of that,if the > computer cant be trusted then how can you expect to trust the electronic > output generated by the computer?at least with the mechanical rebreathers > (err, semi-closed) theres no fancy gadgetry or tomfoolery to mess with,and > as a result its safer. - jt > > On Tue, 3 Sep 1996, Richard Pyle wrote: > > > > > > anyone who ever ran windows 3.1 should be able to tell you that computers > > > crash fairly often.as a result i dont want to trust my life to a computer > > > system. - jt > > > > If a rebreather is designed right, and if the user is trained right, then > > computers on a fully-closed rebreather are a convenience, not a > > life-support system. If you don't believe me, as Farb. > > > > Rich > > > > > > > > > > > On Mon, 2 Sep 1996 gmii@in*.co* wrote: > > > > > > > > > > > In reading this account of another electronic rebreather nightmare I am > > > > amazed at the sheer stupidity and arrogance of the "tech" "engineers" who come > > > > up with this crap. Clearly anything in the breathing loop of any rebreather is > > > > by definition at the same number of atmospheres as the diver - obviously whoever > > > > designed this is one dumb fuck. > > > > > > > > For you dumb fucks out there, that means that the chips are compressed, the > > > > batteries are compressed, and the besides the obvious chance to short circuit as > > > > they are squeezed, some components, like dry cell nicads, can not tollerate > > > > compression. It is no wonder , however, that the same crowd that went for square > > > > lights fell for this bogocity. > > > > > > > > Most computer chips are hermeticly sealed, which means that they may retain > > > > compression in their voids and explode when the pressure is lowered. I do not > > > > know much about rebreathers or computers, but I think NOVRAM chips have their > > > > own batteries, so that means the chip and the battery are being compromised. > > > > > > > > Trying to encase this crap in gell would not alleveiate any of these > > > > problems, and would add the problem of water wicking down the wires and causing > > > > the endless electonic mystery. > > > > > > > > Just like most dive equipment, these devices are clearly created by people who > > > > do not actually dive for people who need a magic carpet, and the only commercial > > > > use for a piece of shit like what is described here is for instructors to teach > > > > wannabees and strokes yet one more merrit badge specialty. > > > > > > > > But, what else is new? - G > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > > > Send subscription/archive requests to `techdiver-request@terra.net'. > > > > > > > Richard Pyle > > deepreef@bi*.bi*.ha*.or* > > ******************************************************************* > > "WHATEVER happens to you when you willingly go underwater is > > COMPLETELY and ENTIRELY your own responsibility! If you cannot > > accept this responsibility, stay out of the water!" > > ******************************************************************* > > > > > > -- > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > Send subscription/archive requests to `techdiver-request@terra.net'. >
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