Report of the PRESIDENTIAL COMMISSION on the Space Shuttle Challenger Accident

Volume 4 Index

Hearings of the Presidential Commission on the Space Shuttle Challenger Accident: February 6, 1986 to February 25, 1986

FEBRUARY 6, 1986 SESSION [part1 of 2]

 

[Ref. 2/6-66]

[111] SOLID ROCKET MOTOR

 

CHARACTERISTICS

.

LENGTH

126.12 FT

DIAMETER

12.17 FT

PROPELLANT WEIGHT

1,110,000 LB

TOTAL WEIGHT

1,256,000 LB

AVERAGE THRUST

2,402,000 LB

ACTION TIME

123.4 SEC

[Ref. 2/6-67]

DESIGN REQUIREMENTS AND QUALIFICATION

 

REQUIREMENT

QUALIFICATION

PERFORMANCE

THRUST-TIME

FIGURE 20

DEVELOPMENT (5) AND QUALIFICATION {4) MOTOR TESTS

THRUST VECTOR CAPABILITY

+/- 8°

STRUCTURAL INTEGRITY

HARDWARE

1.4 X LIMIT LOAD

ULTIMATE LOAD TEST & ANALYSIS

PROPELLANT

2.0 X LIMIT LOAD

SUBSCALE TESTS AND ANALYSIS

INSULATION INTEGRITY

CASE

1.5 X PREDICTED EROSION

DEVELOPMENT AND QUALIFICATION MOTOR TESTS

NOZZLE

2.0 X PREDICTED EROSION

DESIGN ENVIRONMENTS

PROPELLANT MEAN BULK TEMPERATURE RANGE OF +40°F TO 90°F

ANALYSIS AND TESTS

 

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