Space Rocket History

Space Rocket History

Michael Annis

Description: The history of rocketry and space exploration.

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Space Rocket History #277 – Apollo 13 – Approaching the Moon

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“They’re all coming out,” Swigert said, straining for a glimpse through Lovell’s window.  “You said it,” Lovell said. “There’s Nunki, there’s Antares. We may have enough here for that confidence check.” ...

Space Rocket History #276 – Apollo 13 – Minimizing Power – Part 3

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According to the profiles Bill Peters and his electrical specialists calculated, it was possible to power the LEM with just 12 amps. Under normal conditions it needed about 55 amps of current to run...

Space Rocket History #275 – Apollo 13 – Minimizing Power – Part 2

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“The first burn, Griffin explained, would be a long one. Pushing the descent throttle all the way to the full position, Lovell would leave it there for more than six minutes before shutting the engine down. This maneuver, which for … Continue reading '...

Space Rocket History #274 – Apollo 13 – Minimizing Power – Part 1

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Electricity was in short supply. A fully functioning, up-and running LEM required about 55 amps of current to operate...

Space Rocket History #273 – Apollo 13 – Free Return – Part 3

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Lovell toggled the “master arm” switch to On and glanced around to see if everything else was in order. Guidance control was set to “Primary Guidance”; thrust control was on “Auto”; engine gimbals were enabled; the propellant quantity, temperature, and … Continue reading '...

Space Rocket History #272 – Apollo 13 – Free Return – Part 2

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Aquarius, can you see any stars yet?...

Space Rocket History #271 – Apollo 13 – Free Return – Part 1

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Kraft wanted to fire the descent engine now, get the ship back on its free-return slingshot course, and when it emerged from behind the moon and reached the PC+2 point, execute any maneuvers that might be required to refine the … Continue reading '...

An Encore Presentation of Space Rocket History #183 – Apollo 9 – Lunar Module Maneuvers Part 4

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When Scott tried to release the lunar module, he did not hold the button long enough so the lander got hung on the capture latches...

Space Rocket History #270 – Apollo 13 – The News Breaks

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Cronkite did not look good. He called Schirra over and thrust a sheet of wire-service copy at him. Schirra scanned the text hurriedly, and with each sentence his heart sank. This was bad. This was worse than bad. This was … Continue reading '...

Space Rocket History #269 – Apollo 13 – “Houston, we’ve had a problem.” – Part 4

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EECOM, Sy Liebergot looked away from his monitor; the end, he knew, was at last here. Liebergot, through no fault of his own, was about to become the first flight controller in the history of the manned space program to … Continue reading '...
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