NASA NTRS · 20080012210
Rotor balancing apparatus and system
Abstract
Rotor balancing apparatus and a system comprising balance probes for measuring unbalance at the ends of a magnetically suspended rotor are disclosed. Each balance probe comprises a photocell which is located in relationship to the magnetically suspended rotor such that unbalance of the rotor changes the amount of light recorded by each photocell. The signal from each photocell is electrically amplified and displayed by a suitable device, such as an oscilloscope.
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Lyman, Frank, Lyman, Joseph. 1976-04-27. Rotor balancing apparatus and system. https://ntrs.nasa.gov/citations/20080012210
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