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)

 

[1401] [Ref. 3/21-91] Summary of Selected Tests.

 

SUMMARY OF-SELECTED TESTS

 

TEST 3

- 1/8"-SECTION OF O-RING MISSING, NO PUTTY, 0.030" GAP, 3 SEC. BURN, 70°F

- SMOKE AT IGNITION WITH FLARE AT 1.2 SEC., O-RING MOSTLY CONSUMED, METAL DAMAGE

 

TEST 4

- SAME AS 3 EXCEPT, 0.004- GAP, 24 SEC. BURN

- CONTINUOUS SMOKE/NO FIRE, NO O-RING DAMAGE AT CUT, O-RING EROSION/HEAT EFFECT AWAY FROM CUT, NO METAL DAMAGE

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