Mon, Apr 12, 2010
Boeing Confirms Success On 787 Wing, Fuselage Ultimate Load
Test
They're stresses higher than the airplane should ever experience
in flight, and the Dreamliner static airframe proved it was up to
the challenge. Boeing announced this week that all test
requirements were successfully met during the 787 Dreamliner's
ultimate load wing and fuselage bending test. This follows a
thorough analysis of the results from a test on the 787 static test
airframe.
"Successfully completing this test is a critical step in the
certification of the 787. This is further validation that the 787
performs as expected, even in the most extreme circumstances," said
Scott Fancher, vice president and general manager of the 787
program for Boeing Commercial Airplanes.
On March 28, loads were applied to
the test unit to replicate 150 percent of the most extreme forces
the airplane is ever expected to experience while in service. The
wings were flexed upward by approximately 25 feet (7.6 meters)
during the test and the fuselage was pressurized to 150 percent of
its maximum normal operating condition.
In evaluating the success criteria for the test, Boeing
specialists have been poring over the thousands of data points
collected during the test to ensure that all parts of the airplane
performed as expected.
"The airframe performed as designed and retained the required
structural integrity. These results continue to validate the design
of the 787 as we move toward certification," explained Fancher.
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