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Unformatted text preview: Lecture 16 Tales from the Lunar Module Guidance Computer by Don Eyles Slides illustrate the degree of manual control on the spacecraft: NASA looked for a balance between trusting the computer to do everything automatically, or having to constantly check readouts and make adjustments. Third stage: capsule disengages with the LM; LM drops to a lower lunar orbit, and begins to descend to landing trajectory Schematic of the LM: - windows were relatively large for a spacecraft, even after being scaled down from initial designs - two dishes: rendezvous radar dishes - fuel tanks; engine - ascent stage (~10,000 lbs), descent stage (~25,000 lbs) - landing pads/feet (since rigidness of the moons surface was unknown) - 3 feet of shock absorbing capability in landing struts (took up hundreds of pounds of weight, but again, it was because they didnt know how rigid the moons surface would be) Inside the LMs cockpit: - circuit breakers; cycling different circuits by hitting the breaker actually played a...
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- Fall '03