Report of the PRESIDENTIAL COMMISSION
on the Space Shuttle Challenger Accident
Figure 11. The loads in the pitch
plane are shown by the solid line marked "STS 51-L RECONST." The
curve "STS 51-L PREDICTED" give the loads expected before the flight.
The dashed lines show the limit of experience from STS-1 through
61-B. The present design limits are the two lines marked "OV102/099
WING LIMIT" above, and "ET/SRB CAP. ASSESSMENT LIMIT LINE" below.
(After STS-6, the wing was strenghtened. The previous design limits
were "ET/SRB IVBC 2 DESIGN ENVELOPE" below, and a curve in the
position region of q x a [alpha] above).
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