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Well, that also, the -- I guess
you'd call it the weirdest

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training we ever did.

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And it was -- we had a thing.

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They had -- there
were some problems.

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It was a space crafter
dealing with a new medium now.

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You're not dealing
with air flows.

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You're dealing with
working in a vacuum.

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And to control that type craft,
once it was up to speed going

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around the earth, you
were controlled --

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you wanted to control
roll and pitch and yaw,

11
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and you had rate instruments
on the instrument panel.

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And there was a big question
about what the -- what --

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if you had a runaway
control system, say,

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00:00:46,846 --> 00:00:51,296
in yaw or in pitch,
could you control it?

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If you were sitting in the
middle of this thing --

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here you are in a cockpit
and this thing is gone

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into uncontrolled pitch
or uncontrollable roll

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or uncontrollable yaw.

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Would you be able to control it?

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And so it was developed
at the -- at --

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Cleveland was what we
called the gimbal rig.

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And it had roll, pitch, and
yaw in three axis in the roll

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in this axis, of course,
and pitch in this axis here,

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and yaw in this axis here.

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Now those were the three
axes you were going to have

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to control if you're
in the spacecraft.

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So the graduation exercise,
more or less, as I remember now,

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that each of us went
through, was when they did --

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you had worked up at the
lower rates to see whether

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if you could control it or not,
and combinations of roll, pitch,

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and yaw and then they
did 30 rpm in roll,

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pitch and yaw at the same time.

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If you can imagine, you're doing
30 rpm in pitch and in roll

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and in yaw all at the same time.

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And then there you sit
watching your rate instruments

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00:02:05,836 --> 00:02:08,376
and bringing this
thing back to zero.

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And we could do that, which --

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and I suppose in that regard
it was excellent training.

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-- that gimbal rig is --

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that was one of the
more demanding test

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or training exercises
we went through anywhere

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in the whole training
for space flight,

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and that was at Cleveland.

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00:02:28,626 --> 00:02:32,986
We spent -- I think when we went
up, we were up there a couple

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of times, oh, for three
or four days at a time,