1、Lessons Learned Entry: 0179Lesson Info:a71 Lesson Number: 0179a71 Lesson Date: 1992-10-23a71 Submitting Organization: KSCa71 Submitted by: Lisa L. MusgraveSubject: Solid Rocket Motor (SRM) Static Testing Description of Driving Event: A review of the considerations for the decision to fire the full s
2、cale motors in the horizontal position was based mostly on programmatic considerations and the concern of determining the thrust values more accurately. It was not obvious that the effects of this deviation in test and flight configuration received sufficient attention.Lesson(s) Learned: The full sc
3、ale hot fire testing of the SRMs was performed with the motors in the horizontal position rather than in flight attitude.Recommendation(s): Perform hot fire static testing in a vertical (flight attitude) position unless a deviation will produce proven sufficient results.Evidence of Recurrence Contro
4、l Effectiveness: N/ADocuments Related to Lesson: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AMission Directorate(s): a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Test & VerificationAdditional Info: Approval Info: a71 Approval Date: 1994-06-06a71 Approval Name: James G. Klinea71 Approval Organization: KSC/HEIa71 Approval Phone Number: 407-867-7614Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
