NASA NTRS · 19680000505
High-torque precision stepping drive
Abstract
Stepping drive has been designed for precise incremental angular positioning of scale models of spacecraft about a horizontal axis in order to accurately measure antenna receiving and transmitting characteristics. Positioning is insured by spring-loaded, self-locking plungers.
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Kaspareck, W. E.. 1968-11-01. High-torque precision stepping drive. https://ntrs.nasa.gov/citations/19680000505
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