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  TRUTH, LIES AND O-RINGS: INSIDE THE SPACE SHUTTLE CHALLENGER DISASTER Presented by : Allan J. McDonald Aerospace Consultant & Author ATK Thiokol (Retired) Former Director Space Shuttle SRM Project :
TWO LOST SPACE SHUTTLES  STS-51L  Challenger Launch: January 28, 1986 Time: 16:38 GMT STS-107  Columbia Launch: January 16, 2003 Time: 15:39 GMT
PRE-LAUNCH ICE ON PAD
FIRST EVIDENCE OF JOINT LEAK Leak at  T + 0.678 Seconds  LIFTOFF
JOINT LEAK REOPENS IN FLIGHT Joint Leak Restarts  T + 59 Seconds  Joint Plume Visible T + 60 Seconds MAXIMUM   DYNAMIC PRESSURE AND WIND SHEAR
T PLUS 78 SECONDS: DEBRIS Orbiter Wing SSME Pod Crew Cabin Recovered RH SRB  Aft Field Joint
DUPLICATION OF CHALLENGER JOINT  FAILURE ,[object Object],[object Object]
PREMONITION OF COLUMBIA 2003 ,[object Object],[object Object]
COLUMBIA ACCIDENT & VERIFICATION February 1, 2003 Approx. 9:00 a.m. EST Columbia  Debris During Re-entry Bi-Pod Ramp Foam Impact Test on RCC
STS-51L AND STS-107 CREW Lest We Forget!
[object Object]
BOOK THEME ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Allan J McDonald Keynote Presentation

  • 1. TRUTH, LIES AND O-RINGS: INSIDE THE SPACE SHUTTLE CHALLENGER DISASTER Presented by : Allan J. McDonald Aerospace Consultant & Author ATK Thiokol (Retired) Former Director Space Shuttle SRM Project :
  • 2. TWO LOST SPACE SHUTTLES STS-51L Challenger Launch: January 28, 1986 Time: 16:38 GMT STS-107 Columbia Launch: January 16, 2003 Time: 15:39 GMT
  • 4. FIRST EVIDENCE OF JOINT LEAK Leak at T + 0.678 Seconds LIFTOFF
  • 5. JOINT LEAK REOPENS IN FLIGHT Joint Leak Restarts T + 59 Seconds Joint Plume Visible T + 60 Seconds MAXIMUM DYNAMIC PRESSURE AND WIND SHEAR
  • 6. T PLUS 78 SECONDS: DEBRIS Orbiter Wing SSME Pod Crew Cabin Recovered RH SRB Aft Field Joint
  • 7.
  • 8.
  • 9. COLUMBIA ACCIDENT & VERIFICATION February 1, 2003 Approx. 9:00 a.m. EST Columbia Debris During Re-entry Bi-Pod Ramp Foam Impact Test on RCC
  • 10. STS-51L AND STS-107 CREW Lest We Forget!
  • 11.
  • 12.