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
LIFTOFF @ T+0.678 sec. JES-1B TEST @ T+0.600 sec.
PREMONITION OF COLUMBIA 2003
STS-26R return to flight with Discovery : a debris wake-up call (September 1988)
STS-27R Atlantis : a scary ascent and return (December 1988)
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!
BOOK PUBLISHED BY THE UNIVERSITY PRESS OF FLORIDA – MARCH 2009
While the underlying content surrounds “rocket science,” it’s a story that chronicles the events, activities, and decisions surrounding a major historical event in U.S. history. The book contains information about: