chuteless 1 #26 February 26, 2004 There really arent too many impurities, but a lot of moisture. Now if it was something like PCBs I wouldnt touch it, but Ive used industrial grade for many junmps, and havent had a problem with it. I'd be more concerned about too much moisture, but in the warm aircraft, freezing is unlikely. Quote Share this post Link to post Share on other sites
Beerlight 0 #27 February 26, 2004 DO NOT use medical grade oxygen for flight....... 100% Aviators Oxygen is what to use. It has a very low, almost no moisture content and reduces the chance of oxygen component failure due to cold temps. Quote Share this post Link to post Share on other sites
cvfd1399 0 #28 February 26, 2004 I vote for number 2 Quote Share this post Link to post Share on other sites
ryoder 1,381 #29 February 29, 2004 QuoteQuoteYour local Air Force Base can help with chamber rides, so you can identify your hyposia symptoms, and can evaluate your high altitude attitudes in a controled enviroment. Can civvies do this? USPA info is in here: http://www.uspa.org/safety/newsletters/STNews051002.doc They have a typo in that doc. The URL should be: http://www.cami.jccbi.gov/aam-400/phys_intro.htm"There are only three things of value: younger women, faster airplanes, and bigger crocodiles" - Arthur Jones. Quote Share this post Link to post Share on other sites
damion75 0 #30 February 29, 2004 I don't know if it was normal, but my guys and I were doing 3-way from 21k in Eloy and found it much harder to move fast between points than normal at the top end - less air pressure? Also we were not able to whistle in the plane above about 17k...! Just out of curiosity! *************** Not one shred of evidence supports the theory that life is serious - look at the platypus. Quote Share this post Link to post Share on other sites
