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Random vibration and torque tests of fasteners secured with cable, room temperature vulcanized (RTV) rubber, and closed cell foam to support the launch of STS-82 / V.H. Yost.
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- Book
- Government document
- Author/Creator:
- Yost, V. H., author.
- Series:
- NASA technical memorandum ; 108539.
- NASA technical memorandum ; 108539
- Language:
- English
- Subjects (All):
- Random vibration.
- Vibration--Testing.
- Vibration.
- Torque.
- torque (dynamics).
- Medical Subjects:
- Torque.
- Physical Description:
- 1 online resource (iv, 25 pages) : illustrations
- Place of Publication:
- MSFC, Alabama : National Aeronautics and Space Administration, Marshall Space Flight Center, August 1997.
- Summary:
- During a walkdown of the space transportation system (STS) orbiter for the 82nd space shuttle flight (STS-82), technicians found several safety cables for bolts with missing or loose ferrules. Typically, two or three bolts are secured with a cable which passes through one of the holes in the head of each bolt and a ferrule is crimped on each end of the cable to prevent it from coming out of the holes. The purpose of the cable is to prevent bolts from rotating should they become untightened. Other bolts are secured with either a locking cable or wire which is covered with RTV and foam. The RTV and foam would have to be removed to inspect for missing or loose ferrules. To determine whether this was necessary vibration and torque test fixtures, and tests were made to determine whether or not bolts with missing or loose ferrules would unloosen. These tests showed they would not and the RTV and foam was not removed
- Notes:
- Title from title screen (viewed May 10, 2016).
- "August 1997."
- "Performing organization: George C. Marshall Space Flight Center, Marshall Space Flight Center, Alabama"--Report documentation page.
- No Copyright
- Unclassified
- Publicly Available
- Unlimited
- Other Format:
- Microfiche version: Yost, V. H. Random vibration and torque tests of fasteners secured with cable, room temperature vulcanized (RTV) rubber, and closed cell foam to support the launch of STS-82
- OCLC:
- 703645457
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