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Hmm... guess some clarification is in order here. (Sorry for the lack of clarity... message was composed rather late at night after a bad online gaming experience!) Al Marvelli wrote: > Can you expound on your statements below? If you have a gas mix, and you know > what you start with, what you add, what you need and what you end with, what > else is there? That's the math part of it all that you can get from a book. Most EAN Blender classes don't do much in the area of actual filling (what happens when part of the fill is done too fast, what happens if you're a 50 psi off in one area or another, etc...) and almost nothing in regards to fill system design. > Also, are you advocating deep air training here or simply implying most nitrox > mixers are idiots??? I don't mean to flame but I am just trying to understand > your comments. Certainly not. What I meant was that if someone has taken only the Adv. EAN class and the Blender class, they missed a HUGE amount of info by not "being sold" a book that I found quite valuable.... Mix is certainly the way to go, the Tech EAN book just has some good blending info in it. Also, Jim Cobb wrote: > Case, would you let someone get out of your class certified trimix or > blender with Bryon's level of knowledge? I'm not knocking you, it's just > that with questions like this you have to wonder what is being "taught" out > there. ABSOLUTELY NOT! The sad thing is, your questions about what is being taught out there are very well founded, and our fears about what people are teaching are very real ones. Someone who's mixing gas is often called upon to maintain fill systems, O2 service gear, etc... and most of this (along with much actual "turning of knobs") is left out of any blending or Adv. EAN class I've ever seen taught. I've also received some questions about wether or not I'd let Cobb, GI, or some others (presumably without mix or blender certs) mix my gas. Honestly, yeah.... but I'd sure supervise at least the first few times until I was sure they knew what they were doing. Personal knowledge of someone is a whole different conversation than strangers flashing c-cards in a dive shop. I was speaking from my experience which has to do with working in a busy shop environment. Does this clear things up a bit? See what happens when I have to write clearly and coherently? Things just get so darn long winded! *GRIN* -Case diveman@cy*.co* ps: Jim, did you get the checklist and gas worksheet okay? -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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