Posted by Linda Howell (216.102.4.132) on July 31, 2000 at 01:23:31:
In Reply to: Aviation O2 Tip posted by Q on July 30, 2000 at 23:44:41:
I have only had to need to do this a couple of times, but on an E tank, cranked up to 15 which is the highest mine will go...takes about 2 and a half hours to drain it. Linda