Download Apollo 11 : the NASA mission reports by Robert Godwin PDF
By Robert Godwin
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Additional info for Apollo 11 : the NASA mission reports
Descent orbit insertion was performed on time approximately 8 minutes after loss of Network line-of-sight. Table 5-II contains the trajectory information on descent orbit insertion, as reported by the crew following acquisition of signal on revolution 14. A relatively large Z-axis residual for the abort guidance system was caused by an incorrectly loaded target vector. 6 ft/sec) predicted before flight. 5-3 Following descent orbit insertion, rendezvous radar data were recorded by the Lunar Module Pilot and used to predict that the pericynthion point would be at approximately 50 000 feet altitude.
1 for further dis% Following docking, the tunnel was cleared and the probe and drogue were stowed in the lunar module. The items to be transferred to the command module were cleaned using a vacuum brush attached to the lunar module suit return hose. The suction was low and made the process rather tedious. The sample return containers and film magazines were placed in appropriate bags to complete the transfer, and the lunar module was configured for jettison according to the checklist procedure.
The second navigation exercise was performed on the following day shortly prior to separation from the lunar module. A series of five marks was taken on a small crater on the inner north wall of crater 130. The previously described technique was used, except that two forward firing thrusters (one yaw and one pitch) were irnhibited to preclude thrust impingement on the deployed rendezvous-radar and steerable antennas. 3 deg/sec pitchdown rate. In both cases, the pitch rate was achieved without reference to any onboard rate instrumentation by simply timing the duration of acceleration-command hand controller inputs, since the Command Module Pilot was in the lower equipment bay at the time.