Gemini 4 Experiment Debriefing, 1967

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But, the hot air went out, went through a bunch of contraptions, and eventually came back into both of our suits again, same way that mine did. He didn't have a closed loop for himself only, and I had another closed loop. We had a closed loop that was closed - but we were part of the same mechanical unit, so that anytime the air temperature went up in the suit, regardless of whether Ed added the heat to it or whether I added the heat to it, it went across the heat exchanger and it was only taking out so much of the heat, so it essentially it came in a little higher temperature than it would have if he wasn't exercising. So, you can notice these small temperature changes.

Was the noise level associated with the cold air through the....

I think so, yes.

Probably no, but I think probably your noise in your intercom was - er - was so much more than that, you probably didn't even notice it as much as you had.

You get used to it. Just like flying the P33, you get somebody in here that is not used to the hot make sitting in there it probably gets pretty objectionable in a short period of time, but when you are used to that, after a period of time, you know there is a noise, but you know what it is and you can put it away. I think another interesting thing about the exercise, though, not particularly the exerciser, but the desire to do, I thought there was a decreasing desire to do some of the exercise at work. You just didn't really - I did what I had to, but I did go boomering around the inside of the spacecraft unnecessarily. As far as the workload is concerned, I don't know whether this is a getting tired process, or to the lack of desire to have to the work, and I think Jim somewhat expressed the

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