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- Q2109733 subject Q8257233.
- Q2109733 abstract "The Apollo Primary Guidance, Navigation and Control System (PGNCS) (pronounced pings) was a self-contained inertial guidance system that allowed Apollo spacecraft to carry out their missions when communications with Earth were interrupted, either as expected, when the spacecraft were behind the Moon, or in case of a communications failure. The Apollo Command Module (CM) and Lunar Module (LM), were each equipped with a version of PGNCS. PGNCS, and specifically its computer, were also the command center for all system inputs from the LM, including the Kollsman Instrument built Alignment Optical Telescope, the radar system, the manual Translation and Rotation device inputs by the astronauts as well as other inputs from the LM systems. PGNCS was developed by the MIT Instrumentation Laboratory. The Prime Contractor for PGNCS and manufacturer of the Inertial Measurement Unit, IMU was the Delco Division of General Motors. Development was under the direction of Charles Stark Draper and MIT Draper Labs and consisted of the following components:an Inertial Measurement Unit (IMU)the Apollo Guidance Computerresolvers to convert inertial platform angles to signals usable for servo controlan optical unita mechanical frame, called the Navigation Base (or Navbase), to rigidly connect the optical device and, in the LM, the rendezvous radar to the IMUthe AGC software".
- Q2109733 thumbnail LEM-linedrawing.png?width=300.
- Q2109733 wikiPageExternalLink aot.htm.
- Q2109733 wikiPageWikiLink Q11210.
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- Q2109733 wikiPageWikiLink Q663.
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- Q2109733 wikiPageWikiLink Q7307611.
- Q2109733 wikiPageWikiLink Q74304.
- Q2109733 wikiPageWikiLink Q8257233.
- Q2109733 wikiPageWikiLink Q835696.
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- Q2109733 wikiPageWikiLink Q859041.
- Q2109733 wikiPageWikiLink Q941680.
- Q2109733 wikiPageWikiLink Q967620.
- Q2109733 comment "The Apollo Primary Guidance, Navigation and Control System (PGNCS) (pronounced pings) was a self-contained inertial guidance system that allowed Apollo spacecraft to carry out their missions when communications with Earth were interrupted, either as expected, when the spacecraft were behind the Moon, or in case of a communications failure. The Apollo Command Module (CM) and Lunar Module (LM), were each equipped with a version of PGNCS.".
- Q2109733 label "Apollo PGNCS".
- Q2109733 depiction LEM-linedrawing.png.