Fri, Aug 03, 2007
Total Engine Time Surpasses 11,000 Hours
Pratt & Whitney tells ANN its F135 engine exceeded 8,000
system design and development (SDD) ground test hours this week.
This achievement, in addition to the 3,600 test hours accumulated
during the F-35 concept demonstration program, puts total engine
test program hours logged at more than 11,000.
"This testing milestone, combined with the successful F-35
flight test program, demonstrates the maturity, flexibility and
reliability of Pratt & Whitney's F135 propulsion system," said
Bill Gostic, vice president, Pratt & Whitney F135 engine
program. "We remain focused on exceeding our customers'
expectations by assuring the flawless performance of the F135."
Achieving 8,000 SDD ground test hours is one of a series of
milestones for the F135 propulsion system development program.
Pratt & Whitney's F135 powered the F-35 Lightning II's first
flight in December 2006, and continues to power the flight test
program -- with 19 flight tests to date and more than 20 flight
Pratt & Whitney's F135 engine is an evolution of the F119
engine for the F-22 Raptor. Together the F135 and F119 will have
logged more than 600,000 hours before the F-35's introduction into
operational service in 2012.
Rated at more than 40,000 pounds of thrust, the F135 is the most
powerful fighter engine ever built.
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