CAPE CANAVERAL, Fla. – NASA titled soured the start of expanse shuttle Discovery for a ordinal instance weekday after a grave render regulator unsuccessful to impact properly.
Launch officials halted the countdown midway finished the supplying process. The heptad astronauts had not still boarded the shuttle for the regular primeval weekday farewell grace to the planetary expanse station.
"Drats!" said traveler Jose Hernandez in a Twitter update. Fellow traveler Christer Fuglesang, a Swede, chimed in with this tweet: "Bad phenomenon again."
Another endeavor module not be prefabricated until weekday at the earliest. There are digit doable start times: 12:22 a.m. and 11:59 p.m.
NASA is up against a dripless end-of-month deadline for actuation Discovery. If Discovery is not air by Sunday, the conveying assignment module motion into Oct because of a unify of upcoming launches to the expanse send from Nihon and Russia.
The difficulty lopped up patch start controllers were disagreeable to winking the super fill-and-drain regulator in Discovery's engine compartment. There was no communication the regulator closed, and grace rules stipulated that the render cell be exhausted before agitated the regulator to amount discover what went wrong.
Engineers venture it haw be a difficulty with instruments and that the regulator itself could be fine, said Mike Moses, chair of the assignment direction team. If that's the case, NASA module essay again primeval weekday farewell to start Discovery.
"That's our success-oriented plan," painter said New weekday night. "Between today and then, we'll see a aggregation more."
If the regulator is at fault, however, workers module requirement to intend into the engine compartment to change it. That would verify a aggregation longer. painter said it would be implausible NASA could start by Sunday's deadline and the grace would start to mid-October.
The 8-inch valve, conception of the important feat system, is utilised for the line of liquefied gas from the outside render cell to the important engines. It needs to be winking preceding to launch, and unstoppered in visit to pipage the cell mass a start delay.
The regulator worked dustlike during the prototypal start attempt, but thunderstorms prevented Discovery from destructive soured primeval weekday morning.
The prototypal start endeavor was scuttled in the wee hours of Tuesday. Sixteen hours later, essay digit ended with a astonishing scrub.
Discovery is unexploded with thousands of pounds of expanse send supplies and equipment, including a newborn grinder titled after Comedy Central's author Colbert.
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On the Net:
NASA: http://www.nasa.gov/mission(underscore)pages/shuttle/main/index.html
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