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I don't remember our O2 capacity but it was lots less than 60 days.

We bled O2 from our liquid Oxygen bottles for 30 days and then burned Sodium Chlorate "candles" for another 30 days. My boat had all the piping for an O2 generator but she never had one her whole life. She was decomm'd in '92. Don't know if any of the 593's had O2 generators, maybe Haddock 621 had one since she was the last of the boats.

SS Guy

We bled O2 from our liquid Oxygen bottles for 30 days and then burned Sodium Chlorate "candles" for another 30 days. My boat had all the piping for an O2 generator but she never had one her whole life.

Oh yes. I remember some of the other crews talking about using them. We always had at least one (thanks to me :-)) operational and sometimes two. The worst problem was the heat on the circuit boards. We (me and the A-Gang) rigged our "underway" ventilation modifications and I developed a "sixth-sense" on the calibration requirements. One time the A-Gang officer (relatively new) came aft and noticed I didn't have the tech manual open. He picked it up and asked me which step I was on. I told him that if he insisted I use the manual procedure I would have to shut it down immediately. He put the manual down without a word and went forward never to bother me again.