Apollo 11 Technical Crew Debriefing, Volume 1 (scan)

Read from the scan by GLM-OCR; expect the odd misread word.

# CONFIDENTIAL

flight. You should know how to reset them. This should be added to their list of things to learn.

## ALDRIN

I don't feel that we really need life preservers on for launch. They interfere with what little mobility you have. It appears to me that in any abort condition you don't need to make use of the life preservers and that it would be a fairly simple thing to get them out of the little pouches that are in the L-shaped bag.

## ARMSTRONG

## 1.10 COMFORT IN COUCH

Temperature was good in our spacecraft during both CDDT and launch. I didn't suffer any of the abnormally low temperature conditions that had been reported on some of the previous flights.

## COLLINS

The reason was that we were flowing glycol through the secondary loop. I believe this was the first time they tried this. The secondary glycol loop pump was on and it was flowing through the suit circuit heat exchanger. I don't know what Apollo 10 did, but I remember Apollo 9 described this deal of going bypass on the heat exchanger for 15 seconds and all that. We didn't have to mess with that at all. Our procedure worked very well. I don't know who thought it up to use the secondary loop;

# CONFIDENTIAL