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WILLIAMS INTERNATIONAL F112-WR-100 TURBOFAN

Posted 10/22/2013 Printable Fact Sheet
 
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Williams International F112-WR-100
DAYTON, Ohio -- Williams International F112-WR-100 on display at the National Museum of the United States Air Force. (U.S. Air Force photo)
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Note: This engine is located in the Research & Development Gallery on a controlled-access portion of Wright-Patterson Air Force Base. Click here for requirements to visit this gallery.

This type of small turbofan engine powered the X-36A, a remotely piloted aircraft used in 1996 to demonstrate the tail-less agile fighter concept. Because the X-36A is a scaled-down version of a potential fighter design, the small Williams F112 engine -- also used in the U.S. Air Force's AGM-129A Advanced Cruise Missile -- was ideal for the project. The engine is lightweight, fuel efficient and dependable. 

Williams International began developing small turbofans in the late 1950s, and the F112-WR-100 is one of its most advanced models. The engine is essentially a miniature version of turbofan engines used in many airliners and military aircraft. Turbofans are ideal for flight at high-subsonic speeds, and small, fuel efficient ones like the engine on display give cruise missiles their characteristic long range. 

In addition to its use in the X-36A and cruise missiles, the F112-WR-100 has been used in the X-50A, which could rapidly transition from a rotary helicopter to a fixed-wing aircraft. The engine on display is a test model donated by Williams International to the museum in 1992.

TECHNICAL NOTES:
Compressor and turbine:
Two-spool, counter-rotating
Thrust: 732 lbs. maximum
Weight: 161 lbs.
Bypass ratio: Approx. 1:1
Advanced Cruise Missile range and speed: 2,300+ miles, 550 mph

Click here to return to the Research & Development Gallery.







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