Preliminary Gemini 4 Crew Debriefing, Part II, 1965

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White
McDivitt
White
McDivitt
White
Yes, I don' t think there was any discomfort
associated with the day-night cycle.
We didn't
use the cabin fan as we planned during the
.,
flight.
We did neglect to turn it on initially
during the preparation for retro.
We noticed
that we weren ' t cooling off in the cabin as
much as we would have liked to .
So, we turned
the fan on and immediately the temperature
dropped down about 10 degrees,if I remember
right .
Yes, that cabin heat exchanger and that cabin
fan really do the job.
It really cooled it off.
Early in the flight when we got the tempera­
ture up to 100, we turned the fan on and the
temperature went down to below 80 in about
20 minutes, or so. It really did the trick.
The cabin pressure relief valve was venting
just a hair abouve 5.4.
We checked this out
very many times. Every time we filled the
cabin up with o High Rate, it vented,or if
2
we used the repress l•ever the cabin would
vent .