5101

Apollo CM/LM IRIG Gyroscope

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:400.00 - 600.00 USD
Apollo CM/LM IRIG Gyroscope

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Auction Date:2019 Apr 18 @ 18:00 (UTC-5 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Inertial Reference Integrating Gyroscope from the Apollo program, 5? in length and 2.75? in diameter, with upper parts marked: "IRIG PREAMP ASSY, 2021785–011, ACSK H102" and "Electron Gyro Suspension Capacitor, 2021503-34 REV B, E52605, T.58.5," with tape to top annotated "10A21." Metal directional label to bottom stamped as "Unit No. 10A21." In very good to fine condition. Three IRIGs were mounted on the Apollo Command Module and Lunar Module IMU stable platform and sensed displacement in three dimensional space. The magnitude and direction of displacement were converted to output signals that drove gimbal torque motors to restore the stable platform back to its ‘nulled’ alignment.