NASA’s delays launch of space shuttle Endeavour till May 2

April 30th, 2011 - 2:39 pm ICT by ANI  

Washington, April 30 (ANI): The launch of NASA’s space shuttle Endeavour has been delayed till May 2.

The launch has been postponed because of a heater issue associated with the shuttle’s hydraulic power system.

The shuttle has three Auxiliary Power Units (APUs) that provide hydraulic power to steer the vehicle during ascent and entry.

NASA launch commit criteria and flight rules require all three APUs to be fully operational for launch.

Endeavour’s external fuel tank was drained of more than 500,000 gallons of liquid hydrogen and oxygen so engineers can access the area Saturday and evaluate the issue with APU 1. (ANI)

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