Author Topic: MISSION FAILURE: Progress M-27M launch Soyuz-2-1A - April 28, 2015  (Read 336149 times)

Offline Prober

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2nd stage confirmed...now into the 3rd stage
2017 - Everything Old is New Again.
I have not failed. I've just found 10,000 ways that won't work. ~ by Thomas Alva Edison

Offline Steven Pietrobon

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T+6 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T+7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T+8 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Prober

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3rd stage sep, on her way....
2017 - Everything Old is New Again.
I have not failed. I've just found 10,000 ways that won't work. ~ by Thomas Alva Edison

Offline Steven Pietrobon

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T+9 minutes. Spacecraft separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.


Offline Steven Pietrobon

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Standing by for telemetry acquisition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

And there's the telemetry, with just KURS info outstanding.

Offline Steven Pietrobon

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Confirmation of spacecraft separation and solar array deploy. Waiting on antenna deploy confirmation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Commands being issued from sea-based telemetry ships.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

NASA TV cut off the coverage? Oh it was a mistake. We're back....

Offline Steven Pietrobon

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NASA coverage has ended. Still don't know if the antenna deployed.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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OK, we're back.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

There's a MCC-M controller doing some serious pacing at the front.

Offline Steven Pietrobon

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Had confirmation that other antennas deployed, but still waiting on Kurs antenna deployed.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.


Offline Steven Pietrobon

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ISS crew informed that a 34 orbit 2 day backup rendezvous is going to be used, due to Kurs antenna deploy issue.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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The issue is that Moscow has not yet been able to confirm that the Kurs antennas have deployed, due to intermittent telemetry. Deployment should have been done a few seconds after spacecraft separation. The two day rendezvous will allow them time to obtain confirmation and troubleshoot any problems if there are any.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Svetoslav

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According to Interfax (Source) http://www.interfax.ru/russia/438942:

Lack of telemetry from Progress. Some quick google translate:

"The ship is in sight, but the telemetry information from it does not arrive. Experts find out why," - said the agency source in the space industry.

At the same time, experts Mission Control Center "Interfax" that the spacecraft did not open exchange antenna.

"Solar opened normally, but did not open exchange antenna. Because of this, most likely, the Earth is not received telemetry," - said the official.

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