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Flight set 360L001 (STS-26) igniter, post flightSpace Transportation System (STS-26) was launched from KSC pad 39B. Two of the Redesigned Solid Rocket Motors (RSRM) were part of the launch system and are designated RSRM-1A and RSRM-1B. Each of these motors were initiated by an 1U75164 igniter. The post flight condition of the igniters and associated components is documented. The overall performance of the igniter components was excellent. No damage or heat affected areas were noted. The sealing elements of the igniter functioned as expected with no evidence of erosion or blowby. The thermal protection system protected all areas adequately. No excessive erosion was noted. Corrosion was found in the special bolt holes in the igniter chamber. The corrosion will not affect refurbishment of the chamber. Beginning with flight 5 grease has been added to the chamber holes to prevent this erosion.
Document ID
19900017009
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Hale, Elgie J. (Thiokol Corp. Brigham City, UT, United States)
Date Acquired
September 6, 2013
Publication Date
April 5, 1990
Subject Category
Mechanical Engineering
Report/Patent Number
ECS-1012
NAS 1.26:183957
WBS-4B102-10-03
DR-5-3-TYPE-2
TWR-17272-VOL-6
NASA-CR-183957
Accession Number
90N26325
Funding Number(s)
CONTRACT_GRANT: NAS8-30490
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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