Mir News 351: Mir-routine home
1997 Mar 21 - Nation: Russia.
  • Mir News 351: Mir-routine Program: Mir. Flight: Mir NASA-3, Mir EO-23.

    Gradually the passes of Mir for our area shifted to the night hours, but nevertheless a lot of radio traffic could be monitored since the last Mir-report. This traffic revealed that the only system for the production of oxygen is the solid fuel oxygen generator. The crew co-ordinates the use of the so called 'shashki' (disks) with TsUP and daily abt 3 of those 'cartridges' are 'burnt'. In the beginning they still tried to activate the only operational Elektron to generate oxygen from 'technical' water, but possibly the gas-analysers reported that the quality of the production did not reach the desired standards and they had to stop these attempts. They seem to have enough 'shashki' until the arrival of new supplies but they cannot use all available cartridges. They got orders to refrain from the use of those produced in the years after the decay of the Soviet Union.

    Progress-M34: The launch of this badly needed freighter is on schedule for 6.04.1997. It is not sure whether or not spare parts (filters a.s.o.) are ready before that launch. The Progress-M34 will also have to deliver a new Antares transmitter for communications via the now only available Altair (nr. 2) satellite.

    Communications: The present position of Altair-2 is over 94 degrees East. For docking operations of Soyuz-TM ships and shuttles, but also for the communications during EVA-s and the morale of the crew a position more to West, for instance in the slot of Altair-1 (Cosmos-2054) would be more suitable.

    Movements control: On 19.03.1997 during the pass in orbit 63298, Tsibliyev reported a malfunction of an Omega angular rate sensor. At 0448 UTC the SUD (movements control system) showed a failure and the complex came in an inexplicable rotation. Apart from one the gyrodynes were still working, but obviously unable to correct the stations attitude. During the next pass (in orb. 63300, 0856-0906 UTC) the crew got orders to shut down the gyrodynes. The station came in a so called free drift and from there the attitude had to be corrected by steering jets. These events caused a decrease of electrical power due to bad orientation of the solar batteries towards the sun. So for some hours the crew had to restrain power consumption. Next day's radio traffic revealed that the situation was almost under control. The crew worked hard to make another Omega sensor operational and doing so they met a lot of problems with the deployment of cables.

    Jerry Linnenger: In contradiction to the beginning of his mission contacts of Jerry with the American consultative group at TsUP Moscow could not be monitored for some weeks.

    Chris v.d. Berg, NL-9165/A-UK3202.


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