Soyuz Battery Problems May Cause Change In Reentry Procedures

NASA Space Station On-Orbit Status 21 April 2005, NASA HQ

"Soyuz-215/9S Status: The backup/reserve battery of the Soyuz 9S vehicle is known to be degraded, with some unquantifiable charge remaining. TsUP/Moscow is considering a modified return/descent plan by reducing the time between undocking and landing, requiring lower-than-nominal battery capacity to reduce reliance on the reserve battery."

"This would involve switching to spacecraft internal power at undocking (not some time before as usual) and landing on the first orbit, but keeping the backup battery online during the descent, as done normally, with software enabled to activate the reserve battery automatically if required."

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This page contains a single entry by Keith Cowing published on April 22, 2005 9:53 AM.

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