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  Mercury - Gemini - Apollo
  Apollo Alignment Optical Telescope (video)

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Author Topic:   Apollo Alignment Optical Telescope (video)
Robert Pearlman
Editor

Posts: 38997
From: Houston, TX
Registered: Nov 1999

posted 06-07-2016 10:04 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Bill Hammack "The Engineer Guy" video
Bill describes the Alignment Optical Telescope used in the Lunar Module on the Apollo missions to the moon. This telescope took star sightings which were used to align the Module's guidance system.

Bill shows how the telescope used an Archimedes spiral inscribed on its eyepiece to replace the heavy motors, worm gears, and rigid tracks used in a traditional sextant — this shaved weight from the Lunar Module and allowed it to carry more fuel.

SaturnV
Member

Posts: 20
From: Fowler, Ohio, USA
Registered: Sep 2013

posted 06-08-2016 02:15 PM     Click Here to See the Profile for SaturnV   Click Here to Email SaturnV     Edit/Delete Message   Reply w/Quote
Now that is COOL! Really explained it nicely.

Gordon Eliot Reade
Member

Posts: 25
From: Palo Alto, Calif. USA
Registered: Jun 2015

posted 03-02-2018 03:54 PM     Click Here to See the Profile for Gordon Eliot Reade   Click Here to Email Gordon Eliot Reade     Edit/Delete Message   Reply w/Quote
I thought that this was a really excellent video explaining the operation of the Apollo Alignment Optical Telescope.

Editor's note: Threads merged.

1202 Alarm
Member

Posts: 332
From: Geneva, Switzerland
Registered: Nov 2003

posted 03-02-2018 03:55 PM     Click Here to See the Profile for 1202 Alarm     Edit/Delete Message   Reply w/Quote
Thank you, really worth watching.

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