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Mr. Decker, Actually, I first heard the term from Jerry Ehrlich. Hitting your links; www.nauitec.com this is a sales pitch for Trimix Diver 1 and 2: "These courses are to provide the diver with the skills and knowledge needed to minimize the risks of utilizing helium based ( to include Heliox, Tri-mix, and Heli-air) breathing gases for dives to a maximum depth of 225 fsw (69 msw) for Level I and to a maximum depth of 300fsw (91 msw) for level II." "Support Material: USN Mixed Gas Manual DCIEM Diving Manual Oceanx Calculator NAUI Physics, Physiology, and Decompression Theory For The Technical Diver NAUI Guide to Oxygen Enriched Air NAUI Gas Management Planner" And the following Deep Air plug: "Tampa, FL - The NAUI Extended Range Diver course was designed to provide the experience and training necessary to understand the extreme hazards of and to utilize air or EANx for dives to the 180 foot (55 m) range that require staged decompression, utilizing EANx mixtures and/or oxygen during staged decompression obligation. When instructing Technical Diving techniques beyond 150 fsw (46 msw) utilizing EANx or air, the problems associated with nitrogen narcosis may become very pronounced. NAUI Technical Training Operations strongly recommends the use of helium-base trimix breathing gas for dives exceeding 150 fsw (46 msw). We recognize that that there are remote locations in the world where helium is not available and where dives will be made beyond 150 fsw (46 msw) utilizing air or EANx as a bottom gas. The NAUI Extended Range Diver course was designed to meet the requirements of our worldwide affiliates in these remote locations. However, in areas of the world where helium is available, course participants should be taught to use it in their breathing gas mixtures for all technical diver training beyond 150 fsw (46 msw)." Not at all what we are looking for, just continuation of the same. END of 80 fsw, MR. Decker, MOD of 150. Hitting this link http://www.trimixdiver.com/ Gets us to Silversteins pages, and the IANTD Normoxic Trimix course, another expensive hose job. Not to mention the $80 to $120 dollar fills. No thanks. More of the same. Hitting the link at http://www.sportdiverhq.com/ We get to the following sales pitch for the courses already rejected. It starts out looking good, there is a button for HOTx, which gets you to the following sales pitch: "An Introduction to HOTx Trimix is a breathing mixture consisting of oxygen, helium and nitrogen. Traditionally, Trimix has been used as a deep diving gas as it is less narcotic at depth than air or nitro. Usually these mixes contained an oxygen percentage less than normoxic (less than 21% oxygen). The oxygen content was kept low due to the possibility of CNS oxygen toxicity problems when breathing partial pressures of oxygen greater than 1.6 atmosopheres. The technical diving commumity has long recognized the risks associated with conducting deep dives while breathing narcotic mixes. More recently that recognition has been extended to include intermediate deep dives (100 to 170 feet seawater). To reduce the associated risks many divers are using Trimixes containing 21 percent and higher fractions of oxygen. These intermediate deep diving gases are known by a variety of names. Call it "Normoxic Trimix," "Helitrox" or "High Oxygen Trimix" (HOTx), the principle is the same. By displacing some of the nitrogen content with helium the gas is less narcotic, thus reducing risk to the diver. Technical diving courses providing training in the use of high oxygen trimix are gaining popularity. Via these programs it is now possible to climb the training ladder to the Trimix level without having to be exposed to deep air diving. Due to the special considerations involved in conducting these types of dives because of the addition of helium to the mix, divers should seek specialized training before attempting to execute HOTx dives. Currently, HOTx is used almost exclusively for stage-decompression diving. As such it is considered a technical diving gas. Recently, however, a great deal of experimentation has been being done concerning using the gas for no-stop diving. In the not too distant future HOTx may become a mainstream recreational diving gas for no-stop dives in the 100 to 130 foot range. " No new course, just a sales pitch and a warning to seek specialized training, which is simply another roundabout sales pitch for Trimix 1 and 2. None of this is new to me or anyone else, I am afraid. I have been to, and read these sites long ago, and none of them address the issue. They are all sales pitches. An infinitely more valuable site is this one: http://www.cisatlantic.com/trimix/trimix.html What a *lot* of us recreational divers want is a simple course, one that doesn't do the usual "Making a thousand words work, where three would do" style of book and manual marketing. One that address the basic issues of diving 25/35 and 32/30. Diving hyperoxic trimix isn't rocket science. A *lot* of us out here are doing it "outlaw" style out of our garages. We are turning our friends on to it, and thumbing our noses at the course's (and fill prices!) you guys offer. You guys don't offer the skills or knowledge we want (the knowledge is available free, all you have to do is read), its not what we want to pay for, its what *you* guys want to sell us. We aint buying. If we can figure it out for ourselves, can and do dive it regularly, and no one is getting bent (in fact, quite the opposite) why the hell do we need to pay $2,000 to $9,000 for a full trimix shingle, just so we can get ripped off on a fill? The punters are getting smarter, and the bullshit is floating less and less and less with every passing day. Before you get pissed off at me, you better take this as a wake up call. I and my dive buds are the divers you guys target for selling training to. We aint buying. What we *are* buying is fill whips, a copy of Decoplanner and couple bottles of gas. Anyone can read the web, and determine that GUE has the best available curriculum for mixed gas technical diving. Scott ----- Original Message ----- From: <RDecker388@ao*.co*> To: <scottk@hc*.co*>; <techdiver@aquanaut.com> Sent: Thursday, September 28, 2000 3:56 PM Subject: Re: clarification was: An the beat goes on and on > In a message dated 9/28/00 6:37:30 PM Eastern Daylight Time, scottk@hc*.co* > writes: > > > You are the first I have heard of this, and I talk to a *lot* of divers. > > Perhaps you haven't been paying attention. I'm sure I've mentioned the > NAUI Helitrox program more than once on rec.scuba.wasteland ;-) > > >I have been turning people on to HOTx for 6 months > > You sure didn't miss the terminology I coinded a year or two ago and > frequently use to describe it (i.e. HOTx - High Oxygen Trimix), hard to > imagine you missed the parts about the NAUI program. > > >Got any links? I would like to see the curriculum. > > For starters you might try: > > www.nauitec.com > www.trimixdiver.com > www.sportdiverhq.com > > Bob Decker -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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