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Space Shuttle Power Ratchet Tool Transfer Bag for Hubble Telescope

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:500.00 - 700.00 USD
Space Shuttle Power Ratchet Tool Transfer Bag for Hubble Telescope

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Auction Date:2019 Apr 18 @ 18:00 (UTC-05:00 : 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
Power Ratchet Tool Transfer Bag designed to carry the Hubble Space Telescope's ratchet tool on the Space Shuttle, measuring approximately 14? x 23? x 5?, annotated on the front, "Power Ratchet Tool Transfer Bag, Goddard Space Flight Center, Part No. PRT-TB02, Serial No. 01." The padded Beta cloth bag opens to a large compartment to hold the tool with attached torque limiter and one controller, with pouches on the flaps for two spare batteries. Velcro tabs below each pouch are marked "Charged" and "Discharged" to help track the battery's state of charge. In fine condition, with some stray drops of adhesive to seams. The Power Ratchet Tool (PRT) was a self-contained, power-driven drive ratchet tool with brushless DC motor for extravehicular use. The tool was flown on STS-31 as an alternative means to deploy the Hubble Space Telescope (HST) solar arrays after automatic mechanism failure, and it could be used as a general purpose power tool during HST maintenance missions.

Provenance: The Spaceflight America Museum and Science Center in Prince Frederick, MD.