Gemini 5 Technical Debriefing, Part II, 1965

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62
about 45 minutes before retrofire we turned the
cabin fan on and let it run for about 30 minutes
and i t decreased the cabin t emperatu:ce about 20
degrees.
Got it down about 50 degre,:)S and then
turned it off prior to starting retrofire .
Cabin
pressure relief valve; never actuall;r did we . . .
the cabin pressure dual regulator, the release
side of the cabin pressure regulator was the only
one that ever . . . .
We never heard the
cabin relief valve actuate after launch.
During
launch we were going up we heard it moan a couple
of times.
The cabin vent val ve.
Th•? cabin vent
valve, we actuated it on the way down once since
we couldn't maintain positive pressu:~e we actuated
the vent and the snorkel. Cabin rep:~essurizati on.
We never checked it because we didn ' t need to.
Cabin air inlet valve.
We actually never ran any
check on it.
Cabin air recirc, we had open the
whole time.
Fully open.
Pri mary o2 .
System
monitoring, system monitoring was ea:3y.
Primary
o2 was very good.
The only problem we had with
it, it kept yawing us around when it was venting.
Whenever it would get up to vent pre:3sure and
vent, why, it would give us a bit of a yaw, left