Huge Apollo-era control computer. Computer measures 12.5 x 24 x 8, and weighs 53 pounds. Side panel bears a Marshall Space Flight Center label which reads, “Control Computer; Pt No. 50M-31999; Ser No. 009; MFD By Astr-N,” and also bearing a red NASA KSC Display label. In very good condition.
This Saturn 1 analog flight control computer was built in-house at Marshall Space Flight Center. The computer received attitude signals from the stable platform, rated gyros as well as angle of attack information from body, fixed accelerometers, and translated commands from the guidance computer to provide input to the four outboard gimbaled H-1 engine on the first stage (there were also 4 non-gimbaled inboard engines). Upon closer inspection of the cards, there are hand written letters: "P" for "Pitch", "R" for Roll, and "Y" for Yaw—these were the 3 axis of control which the computer, via command gimbaling of the engines, employed to adjust the the Saturn 1 launch vehicle's flight trajectory.
RRAuction COA.
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