Balancing Vanguard satellites

Front Cover
National Aeronautics and Space Administration, 1961 - Science - 25 pages
The Vanguard satellites and component parts were balanced within the specified limits by using a Gisholt Type-S balancer in combination with a portable International Research and Development vibration analyzer and filter, with low-frequency pickups. Equipment and procedures used for balancing are described; and the determination of residual imbalance is accomplished by two methods: calculation, and graphical interpretation. Between-the-bearings balancing is recommended for future balancing of payloads.

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Appendix A Tabulation of Vanguard Satellites and Degree
Survey of Balancing Equipment

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