Download PDF by Thomas J. Kelly: Moon Lander: How We Developed the Apollo Lunar Module

By Thomas J. Kelly

ISBN-10: 1588342735

ISBN-13: 9781588342737

Leader engineer Thomas J. Kelly provides a firsthand account of designing, development, checking out, and flying the Apollo lunar module. It was once, he writes, “an aerospace engineer’s dream activity of the century.” Kelly’s account starts with the inventive technique of sketching ideas to a number of technical demanding situations with an emphasis on security, reliability, and maintainability. He catalogs a number of try mess ups, together with propulsion-system leaks, ascent-engine instability, rigidity corrosion of the aluminum alloy elements, and battery difficulties, in addition to their fixes less than the ubiquitous constraints of funds and agenda. He additionally recaptures the pleasure of listening to Apollo 11’s Neil Armstrong document that “The Eagle has landed,” and the delight of getting inadvertently supplied an essential “lifeboat” for the staff of the disabled Apollo thirteen.

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Additional resources for Moon Lander: How We Developed the Apollo Lunar Module

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Mars Observer’s main goal was to scan the entire Martian surface, taking photographs that were in much finer detail than any taken before. The spacecraft carried a wide array of sophisticated instruments, one of which was designed to measure Mars’s magnetic fields. It did not accomplish its mission, however. After traveling for eleven months, Mars Observer was lost just three days before it was scheduled to reach Mars. Investigations showed no evidence of a cause, but scientists believed that a clogged fuel line had likely ruptured, crippling the spacecraft and ending all transmissions.

Even though Mars is barren and desertlike today, the knowledge that water once ran freely across the planet opens up an intriguing possibility: that some form of life once existed there. Robert Zubrin explains why he is one of the scientists who subscribes to that theory: All creatures great and small surviving in extreme environments have one thing in common: their environment includes a source of water, however meager. ”16 41 Chapter 3 The Space Race L ong before the existence of spacecraft, people were dreaming about the day when exploring Mars would be possible.

They sent back a series of photographs, but because of the dust storm the images were no more discernible than the photo taken by Mars 3. The spacecraft were able to take measurements of the planet’s temperature, gravity, and magnetic fields, though, and these findings were transmitted back to Moscow. An American President’s Vision The Soviet Union was highly secretive about its Mars missions, so the details were not known for many years. However, the United States was well aware of the Soviets’ aggressive pursuit of space exploration, and that fueled America’s interest in its own space program.

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Moon Lander: How We Developed the Apollo Lunar Module by Thomas J. Kelly

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