Gemini 7 Technical Debriefing, 1965

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70
ate and after I started f lying the needles.
Lovell
Because you were overshooting with DIRECT?
:Borman
Right.
I was not able to get the fine control I wanted.
It would not stay in there. It seemed like the spacecraf't
was picking up a torque in roll also, and I was having to
watch it too close.
Lovell
And this was different th&n what we had in the simulation.
:Borma.n
Yes.
REENTRY RATE COMMAND we never used.
DIREC'l! we used
once for tracking the Reentry Minuteman in order to catch
it. It was moving so swiftly.
We al so used it in the ini­
tial phases of reentry, and it worked fine.
The PULSB mode,
of course, was the one we lived with most throughout the 14
days.
I thought it was an excellent mode.
Lovell
It is a gas saver and even when you do have a platform the
PULSE mode is adequate for most of the work you can do-­ for
any attitude control, ground terrain observations-except
for rapid rotations where you need a faster authority.
:Borman
Right. All ground tracking, PULSi was adequate.
We did
not have any problem at al l.
We were able to track the
Polaris using PULSE.
Everything except the reentry~ we
could use PULSE mode.
The IlORIZON SCAN mode was fine.
The
only thing I noticed there was at sunrise and sunset some­
times, we were driven to a 30 or 40• nosedown pitch attitude