Marquardt R-4D Apollo spacecraft attitude control engine The Marquardt R-4D was developed as an attitude control thruster for the Apollo Service Module and Lunar Module. Sixteen engines similar to this one were mounted on the exterior of each lunar module in four quadruple clusters and sixteen on each service module. Because both the lunar module […]
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Apollo 8 RCA slow scan TV camera training unit The slow-scan, black-and-white television system used on Apollo 7 and Apollo 8 shot only 10-frames per second with 320 lines of resolution. In comparison, had the American NTSC television standard of 1968 been chosen—525 interlaced lines, 30 frames per second—ten times more bandwidth would have been
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Apollo 9 flown Command Module Star Chart Panel This star chart panel was one of the metal guidance and control panels used at the navigation station in the lower equipment bay of the Command Module. This particular example was flown on Apollo 9 and comes from the Jim McDivitt collection. These panels were a quick
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This locker, measuring 12.5″ x 22.75″ x 4.75″ (at top- tapering to 2,25″ at bottom) would mount in the upper section of the command module, above and behind the heads of the astronauts. This particular design was made for the later “Apollo Applications” missions (Skylab and Apollo-Soyuz Test Project). The markings on the inside of
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This Apollo–Soyuz Test Project DP Boost cue card measuring 2.25 x 4″ is directly from the Deke Slayton collection. On the reverse of the card is a museum inventory control number from the time that the card was on display at the Astronaut Hall of Fame in Titusville, FL and theAir and Space Museum in
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This oddly shaped cue card fit snugly into a particular spot on the command module control panel. The cue card provides quick instructions for problems faced by the crew. I really like this cue card because some of the issues it deals with – such as Oxygen, CO2, Glycol, and Cyro – uses instrument
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This checklist containing more than 100 pages on 8 by 6 inch card stock was the personal training copy of Apollo 13 lunar module pilot Fred Haise. This manual lists the events that occurred during the Saturn V launch and has specific steps to be carried out by the flight crew. Sections cover boost
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This cue card was from the personal collection of Fred W. Haise, Apollo 13 Lunar Module Pilot. The information that Haise supplied about the card reads: “This cue card was carried around the moon on the flight of Apollo 13 during April 11 to 17, 1971. This card was positioned on the instrument panel with
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These Apollo News Reference Manuals were used by journalists who covered the Apollo program. It took me four years to acquire a pair as these manuals have become highly sought after. The pair include almost 500 pages of in depth detail about the Apollo spacecraft in the words of the contractors who built them. Chapters
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Apollo Service Module RCS Helium Pressurization Solenoid Valve Helium is supplied to the Reaction Control System propellant with the helium pressure used drive the propellant out of the bladders at the proper feed rate to the R-4D reaction control engines in the quads. The helium isolation valves between the helium tank and pressure regulators contain
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