Preliminary Gemini 4 Crew Debriefing, Part II, 1965

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19
McDivitt
White
time. It started right after a night cycle. It
seemed rather natural to me that there wasn't
really something wrong, but that we actually had
a cold RCS thing out there and it did need some
heat . After heat was applied it did appear to go
away.
I decided to go ahead and set up a slow roll
rate in the daytime, and I kept that roll rate in
for several orbits. Whether this actually helped
to get the light off or not, I don't know.
We
didn't get anymore lights after this time. I think
there ought to be one other comment on the RCS ,
and that is the temperatures and the pressures
stayed up pretty well except when we actuated the
system.
The pressures then went down further than
we had expected them to go.
They went down to
2400 to 2500 p~i.
This was a little lower than I
expected to see.
I think the pressures in the RCS A and B dropped
by about 100 pounds throughout the four-day period.
They were slightly over 3000 pounds and they got
down to slightly under 3000.
The lowest temperatures I noted were in the neigh­
borhood of about 63 to 64 degrees.
They started
out at 75 degrees.