| STS-133: Launch director comments |
Date: December 17, 2010
Duration: 10 min 37 sec
Space shuttle launch director Mike Leinbach talks about the knowledge-building test on the external fuel tank's performance under cryogenic conditions. |  |
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| STS-133: Fueling test checks GUCP |
Date: December 17, 2010
Duration: 10 min 26 sec
Tony Bartolone, lead tank/booster project engineer at KSC, explains the ground umbilical carrier plate hardware that had leaked gaseous hydrogen during the Nov. 5 launch attempt and what was done to fix it. |  |
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| STS-133: Tank extensively instrumented |
Date: December 17, 2010
Duration: 21 min 18 sec
Alicia Mendoza, tank/booster vehicle manager at KSC, describes the extensive instrumentation installed on space shuttle Discovery's external tank for this special data-collecting fueling test. |  |
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| STS-133: Fueling test gets underway |
Date: December 17, 2010
Duration: 32 min 42 sec
Mike Moses, the space shuttle integration manager at Kennedy Space Center, provides a thorough and detailed explanation of the external tank crack problem and the efforts to understand the cause. |  |
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| STS-133: Final preps for fueling test |
Date: December 14, 2010
Duration: 7 min 54 sec
After engineers instrumented the tank with 89 strain gauges and temperature sensors, they route 162 wires about 200 feet from the two test zones around the front face of the tank. |  |
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| STS-133: Instrumenting the tank |
Date: December 10, 2010
Duration: 1 min 57 sec
Strain gauges are affixed to testing zones on the external tank's ribbed midsection to collect data on the stresses experienced during the instrumented fueling exercise. |  |
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| STS-133: Launch delayed to February |
Date: December 3, 2010
Duration: 51 min 25 sec
Launch of space shuttle Discovery is being postponed until next year due to the ongoing efforts to understand and resolve the structural cracks on the external fuel tank. The next launch window opens on February 3. |  |
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| STS-133: Scanning tank for more cracks |
Date: December 2, 2010
Duration: 7 min 51 sec
A backscatter imaging device bounces radiation off the external fuel tank to detect any additional structural cracks underneath the insulation foam. |  |
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| STS-133: Background info on stringer cracks |
Date: November 24, 2010
Duration: 16 min 21 sec
Space shuttle program manager John Shannon offers this detailed and informative explanation of the external fuel tank stringer cracks and how the team is working to resolve the problem for Discovery. |  |
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| STS-133: Launch delayed to mid-December |
Date: November 24, 2010
Duration: 51 min 1 sec
Bill Gerstenmaier, NASA's associate administrator for Space Operations, and John Shannon, space shuttle program manager, announce that Discovery's launch will slip to mid-December at the earliest while work continues on the cracked stringer problem with the external tank. |  |
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| STS-133: Repairing the tank cracks |
Date: November 19, 2010
Duration: 3 min 59 sec
Structural reinforcements called "doublers" are installed around the cracked metal stringers of space shuttle Discovery's external tank as a means of repair. |  |
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| STS-133: Buttoning up hydrogen vent |
Date: November 16, 2010
Duration: 4 min 50 sec
With the new ground umbilical carrier plate installed onto Discovery's external tank to hopefully fix the gaseous hydrogen leak, the launch pad swing arm and 7-inch diameter vent line are reattached to the space shuttle. |  |
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| STS-133: Doublers to beef up cracked beams |
Date: November 15, 2010
Duration: 2 min 51 sec
Space shuttle engineers make progress on plans to repair the cracked structural beams on Discovery's external fuel tank intertank stringers. |  |
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| STS-133: New GUCP installed |
Date: November 12, 2010
Duration: 5 min 8 sec
As the ground umbilical carrier plate repairs continue at launch pad 39A, technicians re-install the hydrogen fitting onto the external tank.
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| STS-133: External tank's door opened |
Date: November 11, 2010
Duration: 6 min 27 sec
The access door on space shuttle Discovery's external fuel tank is opened, allowing technicians to climb inside the intertank area between the liquid oxygen and liquid hydrogen tanks. |  |
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| STS-133: Leaky GUCP disassembled |
Date: November 10, 2010
Duration: 7 min 58 sec
A leaking hydrogen attachment fitting on the side of the shuttle Discovery's external tank is removed and internal seals removed for repairs. |  |
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| STS-133: Foam crack work begins |
Date: November 10, 2010
Duration: 2 min
Broken foam insulation on the intertank region of space shuttle Discovery's external fuel tank is removed from the structural beams, ultimately revealing underlying metal cracks. |  |
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| STS-133: Vent arm detached |
Date: November 9, 2010
Duration: 2 min 4 sec
The gaseous hydrogen vent arm extending from the launch pad 39A tower to shuttle Discovery's external fuel tank was detached and lowered down, enabling technicians access inside the leaky ground umbilical carrier plate.
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| STS-133: Hydrogen vent arm detached |
Date: November 9, 2010
Duration: 6 min 21 sec
The gaseous hydrogen vent arm extending from the launch pad 39A tower to shuttle Discovery's external fuel tank was detached and lowered down, enabling technicians access inside the leaky ground umbilical carrier plate. |  |
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| STS-133: Preparing for repairs |
Date: November 9, 2010
Duration: 3 min 19 sec
Scenes around Kennedy Space Center's launch pad 39A as workers get ready to troubleshoot the gaseous hydrogen leak at the ground umbilical carrier plate connection. |  |
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