On February 27 we held a Mission Techniques meeting which I thought was going to simply edit the “final” version of the Lunar Surface Document prior to its release. To my chagrin we discovered that there are at least two areas requiring much more thought and analysis. We will probably meet again to resolve these…
Month: March 1969
Simplification to the pre-PDI abort procedure
As a result of a passing comment in one of my previous notes, Tommy Gibson and George Cherry looked into what it would take to provide automatic PGNCS targeting for LM aborts at initiation of powered descent (PDI). They found the capability already exists in the LUMINARY program. How’s that for great!…
Happiness is having plenty of hydrogen
As I understand it, there has been a desire or requirement to have the capability of surviving a cryo-tank failure at any time in the lunar mission. After C’, it was decided to keep the IMU powered up throughout all lunar missions even though it might be at the cost of having the backup cryos….
F mission lunar orbit attitude sequence
This belated memo is to describe the results of our March 10 Mission Techniques meeting on the F mission lunar orbit attitude sequences as well as I can remember them….
Lunar Landing Guidance and Control Modes
Gentlemen:…