Gemini 5 Technical Debriefing, Part II, 1965

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117
Cooper
Two other things we have is that you leave preheat
on for 4 minutes prior to flushing.
We got one
t remendous big glob of urine ice that broke off
sometime about the fifth day.
Conrad
Oh, yes .
Cooper
And, man, that indicated that it really buil t up .
It must have been as big as that box there.
Conrad
It looked like one of those sand castles you build.
It was a conical buildup of ice .
The liquid
had flowed out . It kept building up and building
up .
But it was still flowing out through the center
like a volcano.
The darn thing broke off one day
out there , and, boy, I tell you that thing was about
this big around and it was about 3 and 1/2 inches
high. It just went floating right by the spacecraft
and it was pure yellow. Ha, ha!
It was about 3 by
4 by 3 or 3 1/2 or 4. About 3 inches in diameter
and about 4 inches high. It was triangular, dribbled
up, rough shaped, but you could see where it was smooth
on the back side where it had actually s tarted to
freeze. Boy, that scared us .
We didn ' t want the urine
system to freeze up so we went to 4 minutes.
We used
the recommended McDonnell procedures and we revised
those slightly when we found out the tar was beginning
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