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Vibration Test of a 52-85713-339 Tape Recorder. Volume 1.
MCDONNELL CO ST LOUIS MO
Pagination or Media Count:
Vibration testing was conducted to determine the recording characteristics of the recorder when mounted with and without isolators and subjected to a vibration environment. The vibration test program was conducted in 5 phases. Test Phases 1, 3, 4, and 5 were conducted with the specimen mounted to the vibration fixture via vibration isolators and test Phase 2 was conducted with the specimen rigidly mounted to the vibration fixture. Low-level 2g peak sine survey tests with the tape recorder not operating were conducted on the tape recorder during test Phase 3, and full-level 10.5g random vibration tests with the tape recorder operating were conducted on the tape recorder during test Phases 1, 2, 4, and 5. Author
APPROVED FOR PUBLIC RELEASE