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Apollo 13 (AS-508): Houston, We Have A Problem. - Term Papers

Apollo 13 (AS-508): Houston, We Have A Problem.


Apollo 13 (AS-508): Houston, we have a problem.
The Apollo 13 mission was launched at 2:13 p.m. EST, April 11, 1970 from
launch complex 39A at Kennedy Space Center. The space vehicle crew consisted of
James A. Lovell, Jr. commander, John L. Swigert, Jr., command module pilot and
Fred W. Haise, Jr. lunar module pilot.
The Apollo 13 Mission was planned as a lunar landing mission but was
aborted en route to the moon after about 56 hours of flight due to loss of
service module cryogenic oxygen and consequent loss of capability to generate
electrical power, to provide oxygen and to produce water.
Spacecraft systems performance was nominal until the fans in cryogenic
oxygen tank 2 were ...

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conditions
of 1008 psi, the pressure began decreasing for about 9 seconds, at which time
the relief valve probably reseated, causing the pressure to rise again
momentarily. About a quarter of a second later, a vibration disturbance was
noted on the command module accelerometers.
The next series of events occurred within a fraction of a second between
the accelerometer disturbances and the data loss. A tank line burst, because of
heat, in the vacuum jacket pressurizing the annulus and, in turn, causing the
blow-out plug on the vacuum jacket to rupture. Some mechanism in bay 4 combined
with the oxygen buildup in that bay to cause a rapid pressure rise which
resulted in separation of the outer panel. The panel struck one of the dishes of
the high-gain antenna. The panel separation shock closed the fuel cell 1 and 3
oxygen reactant shut-off valves and several propellant and helium isolation
valves in the reaction control system. Data were lost for about 1.8 seconds as
the ...

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PAPER DETAILS
Added: 8/10/2004 11:34:02 PM
Category: Science & Nature
Type: Free Paper
Words: 553
Pages: 3

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