Report of the PRESIDENTIAL COMMISSION
on the Space Shuttle Challenger Accident
Volume 5 Index
Hearings of the Presidential
Commission on the Space Shuttle Challenger Accident: February 26,
1986 to May 2, 1986.
MARCH 21, 1986 SESSION. (part 2 of
2)
[1351] [Ref. 3/21-63]
51-L Measured data.
51-L MEASURED DATA
HOLDDOWN POST
- POST DESIGNED BY SSME BUILDUP
- POST HAD STRAIN GAUGES ON EACH
- DATA VALID UNTIL SRB RELEASE
- BASE MOMENT: DESIGN VALUE 347.000,000
IN-LBS. 51-L RIGHT SRB 291,000,000 IN-LBS.
- NO INDIVIDUAL POST LOAD EXCEEDED LIMIT
LOAD
- MOMENT AT SRB AFT FIELD JOINT
(1491)
- DESIGN 240,000,000 IN-LBS.
- 51-L 208,000,000 IN-LBS. (RI
RECONSTRUCTION)
- SRB RELEASE AT EACH POST WAS ESSENTIALLY
SIMULTANEOUS
GIMBAL ANGLES
- GIMBAL ANGLES SMALL, INDICATING NEAR
NORMAL LIFTOFF DYNAMICS
R-6
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