Gemini 7 Technical Debriefing, 1965

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87
ly. That bottle had a big enough heat leak so that it main­
tained pressure itself. As I said, it started venting on
the 8th day.
We never used the manual heater on the E'.JS
o bottle.
2
Lovell
As a matter of fact, the prilna.ry o2 helped, rather we util­
ized the primary o2 to pump up the pressure on the ro o2
sometime in the early pa.rt of the portion of the flight.
Borman
Yes, we used the crossover valve. When you hit the squib
or when you hit the switch to open the solenoids, even
though we had been led to believe that i t takes some time
for that pressure to build up, it looked to me that it went
to about 250 in the FC o bottle almost immediately. It
2
went from 100 to 250 almost immediately. I imagine it will
come down when we talk about the FC o2 problem.
Borman
Secondacy o
System Monitoring was nothing, we checked it•••
2
all the time, but GO/NO GO decision once a~. It stS3"ed
exactly the same throughout the entire flight--5400 and
5300.
Lovell
It did not budge at all.
Borman
Quanti ty meaauring.•we do not measure except for pressure,
and as we said that stayed constant. Flow rates, pressures,
end controls were nominal in the secondary o2• You could
not tell when we had gone off the primary onto the seconda.ry