grummanonewire
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- Mar 23, 2019
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So Ive been waiting for SPS 1 after the RCS sep burn and seem to be flirting with gimbal lock and over the natural course of coasting I go into Gimbal lock Ive thought of a couple workarounds
1 do a V49 and position so I will not get close while waiting to manuever into burn attitude
2 let Gimbal lock happen and recover looking in the Gand C checklist from Apollo 15 I dont see a quick recovery procedure from GDC and I loose GDC attitude as well which makes me believe the GDC goes into gimbal lock as well
3 is there any documentation or source that indicated how they would have done a rapid recovery to proceed with CMC control of the Burn or would they have just proceeded with SCS and recovered the platform after ? or just delay the burn ? I know the the MCC burns were less time critical possibly but for a time critical burn such as LOI-1 or LOI-2 TEI or Retro
1 do a V49 and position so I will not get close while waiting to manuever into burn attitude
2 let Gimbal lock happen and recover looking in the Gand C checklist from Apollo 15 I dont see a quick recovery procedure from GDC and I loose GDC attitude as well which makes me believe the GDC goes into gimbal lock as well
3 is there any documentation or source that indicated how they would have done a rapid recovery to proceed with CMC control of the Burn or would they have just proceeded with SCS and recovered the platform after ? or just delay the burn ? I know the the MCC burns were less time critical possibly but for a time critical burn such as LOI-1 or LOI-2 TEI or Retro