> Personally I believe that in the next 5 years adding helium will grow to > be as popular as nitrox is today. Yeah, but get the training agencies to accept this... Where is the basic heliox/mix course? I posed this question to one of the training agencies recently. I suggested that heliox, trimix wasn't rocket science and had some obvious benefits, especially over air for 100-150' wreck dives (for others as well, this was just my example). I suggested that the current courses (many being multiple days) were totally overbloated for someone who is doing these dives on single/doubles on air, and simply wanted to switch to mix using pre-cut or custom-cut tables. I figured at worst they might acknowledge that at least teaching this type of mix would help them do this type of dive much safer, and the teaching wouldn't need be that mush more strenuous than nitrox coursework. After all the divers are doing these dives NOW on AIR.. why not teach them to do them "better"? The answer I got was not encouraging. The agencies (if for naught else than CYA motives) want to keep this as the brass ring, inserting hoop after hoop to get the mix card. You can scream about how "easy" and "simple" it would be for people to do these dives "right"... but the agencies aren't there to support it. And while you can homebrew, and teach yourself without too much trouble, that option makes it a lot less accessible than being able to run down to a local shop that won't accept your XYZ Inc certification that you laminate yourself at Kinko's. And certainly doesn't help ya when you are travelling even if you do have a cool local shop.... It also ignores ecomonies of scale for renting the gas tanks, etc. Mike -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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