The Solar Array Drive Mechanism for the Space Telescope embodies several features not customarily found on Solar Array Drives. Power and signal transfer is achieved by means of a flexible wire harness for which the chosen solution, consisting of 168 standard wires, is described. The torque performance data of the harness over its temperature range is presented. The off load system which protects the bearings from the launch loads is released by a trigger made from Nitinol, the memory alloy. The benefits of memory alloy and the caveats for the design are briefly discussed. The design of the off load is described and test experience reported.
Features of the solar array driven mechanism for the space telescope
Eigenschaften des von einem Sonnenkollektorsystem angetriebenen Mechanismus fuer das Raumteleskop
Second European Space Mechanisms and Tribology Symp. European Space Agency (ESA), Meersburg ; SP-231 , Okt ; 13-17
1985
5 Seiten, 10 Bilder, 1 Tabelle
Conference paper
English
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