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Fri March 1, 2013
SpaceX Reports Problem With Dragon Capsule
Originally published on Fri March 1, 2013 8:24 pm
Update at 8:10 p.m. ET: Problem Fixed, Arrival Delayed
SpaceX says the problem with its unmanned craft carrying supplies for the International Space Station has been fixed.
The Associated Press reports: "The earliest the Dragon capsule could show up is Sunday, a full day late, said top officials for NASA and the private company SpaceX. ... [SpaceX's billionaire founder Elon] Musk said six hours into the flight that all four sets of thrusters finally were working. 'All systems green,' he reported via Twitter. The problem may have been caused by a stuck valve or a line blockage. The thrusters are small rockets used for maneuvering the capsule.
"An hour later, the Dragon was raised with the thrusters to a safe altitude. 'Dragon back on track,' he said in a tweet."
Update at 1:20 p.m. ET: Two Thruster Pods Needed To Reach Space Station
The Associated Press says:
SpaceX says "the company said in a statement that a fuel valve was at fault, and that two sets of thrusters were needed before the Dragon could begin the series of maneuvers needed to get to the space station."
The Dragon is equipped with 18 thrusters, divided into four sets, and can maneuver adequately even with some unavailable.
Update at 12 p.m. ET: SpaceX Reports Thruster Pods Fixed
SpaceX founder and CEO Elon Musk says that at least two of the Dragon capsule's four thrusters were up and running and that engineers were working on the other two, which experienced problems earlier.
"Attempting bring up of thruster pods 2 and 4," Musk tweeted shortly after he reported that the deployment of the capsule's solar array had been successful.
Here is our original post:
"Issue with Dragon [capsule] thruster pods. System inhibiting three of four from initializing. About to command inhibit override," Musk tweeted shortly after an otherwise successful launch of the Dragon capsule, which is carrying about a ton of supplies to the ISS.
Musk is monitoring the flight from SpaceX Mission Control in California, according to The Associated Press.
The AP reports, "the trouble cropped up nine minutes after Friday's launch from Cape Canaveral."
Update at 11:45 a.m. ET: Cargo Includes Parts For Air Purifiers, Computers
"Much-needed equipment for air purifiers" is aboard the Dragon, along with fresh fruit, seeds of a flowering weed used for research, mouse stem cells, protein crystals, astronaut meals and clothing, trash bags ... computer parts and other gear," the AP says.
Dragon's 2,300-pound payload was set to reach the space station on Saturday.
It's the first major problem with a Dragon capsule since the private, California-based Space Exploration Technologies began launches of the vehicle last year. The two previous missions went without a hitch.
SpaceX has a billion-dollar contract with NASA to resupply the ISS, and the company plans for astronauts to ride the Dragon into orbit within a few years.
The news follows what NASA described earlier as a "beautiful liftoff" of the Falcon 9 launch vehicle that carries the Dragon capsule.