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> His course was very well structured, and got into the most minute of details. > The first thing he had me do with my unit was fly it without any > electronics. He stressed that the most important thing you can learn with > your rebreather is how to use it when it is essentially dead. Once you have > mastered the art of using the unit at its lowest potential to keep you alive, > using it with all the bells and whistles is a snap. It's kind of like > learning how to drive a car without brakes or power steering. EXCELLENT! This is the way all fully-closed rebrether courses should be taught. > Water. Cold water. I decided long ago that I do not like cold water. I > don't even like to drink cold water. Water should not be cold. There should > be a law against it... Amen to that. > Another thing - they weigh more than Hillary Clinton's ass. Getting them on > in the boat (especially with 3 other CCR divers getting rigged) is difficult > (to say the least) and by the time you do get all your gear on and set up, > you'll be aching to suck pure O2 for a while just to catch your breath. I > used muscles that I haven't used since the time I ate 2 dozen oysters before > my wedding night... They weigh less than doubles, though - don't they? > Heliox is the coolest thing in the world. I know that you've got added deco > concerns with it - but we were at 230 FSW and I was STOKED. I wanted to go > deeper. That's one of the main reasons I don't like heliox. A combination of spastic behavior and an inability to realize how deep you really are. > Later, we did another Heliox dive - bad news. I dunno why, but the whole > dive I felt like I wasn't getting enough O2. I must have had some kind of > CO2 buildup, 'cause I swear, even on 100% O2 during deco, resting, I felt > like I was starving for air. I'm going to replace my scrubber and try again. > It was a good lesson, though. I learned first-hand that Hypercapnia sucks > big time. Sounds like CO2 to me. Thanks for the report. Interesting stuff. Were you serious about the depths? Aloha, Rich
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