Lecture03 - The Challenger Shuttle Disaster Disaster An...

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The Challenger Shuttle The Challenger Shuttle Disaster Disaster An Ethical Scenario Engineering Concepts Dr. Ron Eaglin
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The facts The facts On January 28, 1986 Seven astronauts were killed when the space shuttle Challenger exploded 72 seconds after liftoff from the Cape Canaveral Air Force Station. Official cause of the accident was failure of O-Rings on the Solid Rocket Boosters and subsequent leakage of hot gasses which ignited the propellant causing an explosion.
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Background Background Competition from the European Space Agency required NASA to demonstrate that the shuttle could fly a dependable, yet aggressive schedule to prove its viability for commercialization. The previous Shuttle mission was delayed a record number of times due to mechanical problems and poor weather.
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Background Background Launch pad refurbishment was required before the next mission which was to carry a probe to study Halley’s comet, the schedule was tight on this mission as a similar Russian probe was schedule to arrive in the comet vicinity shortly after the American probe.
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Background Background NASA officials desired to have the Shuttle in space with Astronaut/Teacher Christa McAuliffe for the State of the Union Address – Ronald Reagan’s main topic was to be Education and this was to be important to the speech.
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Solid Rocket Boosters Solid Rocket Boosters The Solid Rocket Boosters are the primary thrust for the Shuttle allowing it to achieve orbit. Each booster is 149 feet long and 12 feet in diameter. Each booster weighs 2 million pounds Solid rocket fuel (unlike liquid) cannot be turned off once ignited.
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Solid Rocket Boosters Solid Rocket Boosters Morton Thiokol received the contract to build the SRB in 1974. The SRB design is essentially a scaled version of
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This note was uploaded on 08/22/2010 for the course EGN 1007 taught by Professor Vitto during the Spring '08 term at University of Central Florida.

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Lecture03 - The Challenger Shuttle Disaster Disaster An...

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