9110

Lunar Module Descent Engine Shut Off Valve

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:1,000.00 - 1,500.00 USD
Lunar Module Descent Engine Shut Off Valve

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Auction Date:2022 Apr 21 @ 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
Apollo Lunar Module Descent Engine (LMDE) Shutoff Valve, measuring approximately 6 x 8.5 x 6.5, marked "Test Only," with engraved, "2510," "2581," "2554," and "2555," and stamped parts numbers, "P/N 170542 E," "ASSY 170540…S/N 1733, REV L." In fine condition. The Lunar Module Descent Engine was designed to allow the Lunar Module to descend from lunar orbit to a hovering position above the lunar surface and to make a soft landing. Fuel passed through the shutoff valve into the engine's manifold, where it was injected into the combustion chamber to generate thrust. The valves were commanded open and shut in conjunction with the LMDE flow control valve and variable pintle injector for throttle control and engine shutdown.