NASA NTRS · 19740003562
High performing actuation system for use with a louver array for satellite thermal control
Abstract
A high performing actuation system has been developed to drive one pair or a set of 9 pairs of louver blades. The system uses a Bourdon spiral as the driving member. The response time of the liquid expansion of the spiral system is in the order of three seconds. Besides performance tests, qualification tests have been carried out on a prototype system, demonstrating that the actuation system withstands normal launching conditions; projected operating life of 7 years with more than 7000 cycles can be expected.
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Reusser, P. U., Coebergh, J. A. F.. 1973-10-01. High performing actuation system for use with a louver array for satellite thermal control. https://ntrs.nasa.gov/citations/19740003562
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