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F117-PW-100

Pratt & Whitney's F117-PW-100 engine, certified at 40,000 pounds of thrust, was selected by the US Air Force as the exclusive power plant for the C-17 Globemaster III, an advanced four-engine transport. Unique to the C-17, the F117 engines are equipped with a directed-flow thrust reverser capable of being deployed in flight. On the ground, the thrust reverser can back a fully loaded aircraft up a two-degree slope. It is also noteworthy that the F117 powered C-17 set 22 world records during qualification testing before initial operating capability (IOC).

Today's F117 engine - the reduced temperature configuration (RTC) - uses technical and material advancements such as second-generation single-crystal turbine materials, improved cooling management and thermal barrier coatings to lower metal surface temperatures. These enhancements contribute to the F117's excellent reliability, durability and long time on-wing. A FADEC with greater capacity delivers higher operational performance, lower fuel burn and improved maintenance diagnostics. Also, since the F117 is derived from a commercial application, it meets all current and anticipated commercial engine requirements for low noise and exhaust emissions.

The F117 engine is a solid performer by any measure and complements its commercial counterpart's reputation as the world's leading midrange-thrust engine. The C-17 engines minimize fuel burn, and rugged rotating components are designed to tolerate sand, pebbles, ice or other debris found at remote airfields around the world.

F117-PW-100 engine is the military version of the PW2000 commercial engine that powers the Boeing 757 aircraft. Pratt & Whitney's PW2000 engine covers the thrust range from 37,000 pounds to 43,000 pounds. Designed for the Boeing 757, PW2000s have accumulated more than 26 million hours through March 2003. A military version of the PW2000, the F117-PW-100, was chosen as the exclusive power plant for the U.S. Air Force C-17 Globemaster III military transport. The USAF chose the PW2000 for its excellent commercial service record and superior range and payload advantages. The USAF also selected the PW2040 to power the C-32A, the military version of the 757.

Pratt & Whitney introduced an improved version of the PW2000, the Reduced Temperature Configuration (RTC) in 1994. This enhanced model offers improved reliability and durability for long on-wing times and reduced total maintenance cost, along with excellent environmental performance.

The PW2043 is the latest offering in the PW2000 series, providing 43,000 pounds of thrust. Besides excellent fuel efficiency, the PW2043 provides additional thrust capability at high altitudes and/or elevated temperatures. The PW2043 offers a competitive advantage in both range and payload. Current engines can be converted to a PW2043 through minor external modifications.




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