Shuttle Discovery

A technician begins to remove thermal sensors and foam insulation from space shuttle Discovery’s external fuel tank in the Vehicle Assembly Building. Photo Credit: NASA/Frank Michaux

Discovery’s woes deepened this week with NASA engineers finding even more cracks in the orbiter’s external tank. The first crack was noted shortly after a leak was discovered on the Ground Umbilical Carrier Plate (GUCP) Nov. 5. After the first crack was found, technicians found a second and then a third. NASA found the crack on support beams dubbed ‘stringers’ around the intertank region of the tank. They applied what is known in the business as a doubler, a section of metal that is twice as thick as the original – this is done to strengthen the affected area. (…) Read the rest of Shuttle Discovery’s Crack Woes Deepen (339 words)

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(C) Jason Rhian for Universe Today, 2011. | Permalink | 2 comments | Add to Post

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