NASASpaceFlight.com Forum
International Space Flight (ESA, Russia, China and others) => Russian Launchers - Soyuz, Progress and Uncrewed => Topic started by: eeergo on 04/25/2006 07:39 pm
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They have come to a conclusion... Interesting report, see link below
http://www.ilslaunch.com/newsarchives/newsreleases/rec338/
"The commission concluded that an anomaly in the oxidizer supply system caused the Breeze M upper stage main engine to shut down prematurely. Based on telemetry data, the most probable cause of the oxidizer supply interruption was a foreign particle that blocked a nozzle of the booster hydraulic pump, the commission stated."
"Flight operations should be able to resume after corrective actions have been implemented, the commission stated. Implementation of such steps is expected by the end of May."
Anik, your source was right about the next Proton launch, as usual!:)
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That's been on the front page of this site most of the day.
http://www.nasaspaceflight.com/content/?id=4457
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Oooops, just seen it! :o
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eeergo - 25/4/2006 2:39 PM
They have come to a conclusion... Interesting report, see link below
http://www.ilslaunch.com/newsarchives/newsreleases/rec338/
"The commission concluded that an anomaly in the oxidizer supply system caused the Breeze M upper stage main engine to shut down prematurely. Based on telemetry data, the most probable cause of the oxidizer supply interruption was a foreign particle that blocked a nozzle of the booster hydraulic pump, the commission stated."
"Flight operations should be able to resume after corrective actions have been implemented, the commission stated. Implementation of such steps is expected by the end of May."
Anik, your source was right about the next Proton launch, as usual!:)
It leaves one question unanswered: Where did the "foreign particle" come from?
There were rumors of a suspect turbopump bearing - could that have been the
source?
- Ed Kyle