Preliminary Gemini 4 Crew Debriefing, Part II, 1965
NASA-UAP-D017 · page 26 of 290
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20 McDivitt White McDivitt White McDivitt White McDiv.itt Let me ask you a question? Yes. When you turned on the RCS heaters , did you turn on the heater s on both r ings , or did you turn on the RCS Heater Switch and then turn off the cir cui t breaker on the other ring? I turned the heaters on and then I checked to see which ring it was that was actually heating up by using the circuit breakers . The first time I went ahead and left them on and then the other ring came on . I fel t that one of them was about as cold as the other, so I left the heaters on both rings throughout the heating cycles. Good. They were in perfect sequence--A and B, A and B, and about 15 minutes apart . The regularity was surprising. The temperatures at the time when these lights came on were indicating about 63 or 64 degrees and it seemed like it would come up a little bit, and then come right back down and pop back on again. I felt it was not an actual temperature problem . I used Rate Command, Reentry Rate Command and Pulse control modes. I didn ' t use Direct. They a ll