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Because they want to make more money AND sell you Bungee wings. How the else could you be stupid enough to by bungees unless you are narc'd out of your mind! I've even heard that Tom Mount is devising an U/W Credit Card machine so you can dive AND bill your student at the same time! Brett Gilliam tried to make the U/W credit card machine, but his belly got in the way, and his left independent tank ran dry so he had to do an ESA, alone since he a advocate of solo charging... Sean STANDARD TECH LIST DISCLAIMER: The following was an attempt at humor, if an U/W credit card machine WAS in development, PADI would have beat BOTH of the tech industries beat by a mile. ----- Original Message ----- From: <deep-gasdiver@uk*.ne*> To: <techdiver@aquanaut.com> Sent: Tuesday, December 21, 1999 3:03 PM Subject: Deep air to trimix > At the risk of being flamed can someone explain the logic of forcing a diver > interested in going onto trimix into doing deep air dives??????? > > To get onto a trimix course one must first undertake a nitrox course, in some > instances two or three nitrox courses (basic, advanced and extended range) > which basically in the deeper dives has no benefit other than accelerated > decompression via the use of nitrox or pure 02 during deco. A perfect example > is a course covered in an article in the latest "Dive" magazine, this editorial > explains how students on the divers lodge basic (TDI) trimix course simulate a > trimix dive to 45m dive with air as the back gas ???????????? What logic is that > > If trimix or Heliox is the way to go why subject students or divers interested > in improving their diving safety and enjoyment to what is effectively deep air > diving. If He is safer than N2 then why should a diver not be able to use say a > 21/12 or 21/18 mix ( or other ) to depths up to say 50 - 60 metres without > going through a nitrox course? If they want to use nitrox or pure 02 for deco > then they should undertake a course to cover the use of higher pp02 as a deco > gas > > I realise and understand that if a diver wishes to do deep trimix dives which > involve significant planning and skills then a greater level of experiance and > maybe an intermediate qualification is required before taking an advanced > trimix course but access to He should be made easier at the 30 - 60m ranges > > Mike > > > > > ---------------------------------------------------------- > This message was sent using http://uk2.net > UK's FREE Domains, FREE Dialup, FREE Webdesign, FREE email > > > -- > 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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