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NASA-LLIS-1416

Lessons Learned – Cassini RWA Flight Anomaly Due to Extended Use at Slow Speed (2001)

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T17:55:26Z
date available2017-09-04T17:55:26Z
date copyright05/10/2004
date issued2004
identifier otherFJWEQCAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std/handle/yse/178578
description abstractAbstract:
Three years after launch, higher-than-normal drag was detected on one of the Cassini reaction wheels. The likely cause was lubricant dispersal after prolonged operation of the RWA at a very slow speed. Treat reaction wheels as a consumable resource, and minimize the time they are operated at very slow speeds.
languageEnglish
titleNASA-LLIS-1416num
titleLessons Learned – Cassini RWA Flight Anomaly Due to Extended Use at Slow Speed (2001)en
typestandard
page3
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;2004
contenttypefulltext
subject keywordsbearing failure
subject keywordsCOBE RWA
subject keywordsexcessive torque
subject keywordsFlight Equipment
subject keywordsFlight Operations
subject keywordsGround Equipment
subject keywordsHardware
subject keywordslow-RPM dwell
subject keywordslubricant failure
subject keywordslubricant loss
subject keywordsmomentum wheels
subject keywordsPayloads
subject keywordsPolicy & Planning
subject keywordsprolonged drag torque
subject keywordsRisk Management/Assessment
subject keywordsSafety & Mission Assurance
subject keywordsSBA
subject keywordsSoftware
subject keywordsSpacecraft
subject keywordstorque instability
subject keywordstribology


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