- Overview
- Characteristics
- News
- Contact Info
Visit www.f135engine.com for the latest news about the F135 engine.
Pratt & Whitney’s F135 propulsion system is the engine of choice for the F-35 Lightning II, fifth generation, advanced, single-engine tactical fighter developed by Lockheed Martin in conjunction with BAE Systems and Northrop Grumman. The F-35 includes three variants to meet the unique needs of the three branches of the U.S. armed forces as well as the international participants – the Conventional Takeoff and Landing (CTOL), the Carrier Variant (CV) and the Short Takeoff and Vertical Landing (STOVL). The F135 is the derivative of the proven F119-PW-100 engine, the technologically advanced turbofan engine exclusively powering the U.S. Air Force’s F-22 Raptor. It features advanced prognostics and health management systems, and the engine is designed to significantly lower maintenance costs. Pratt & Whitney leads the aerospace industry in single engine safety and maturity. The proven and dependable F119 engine enables us to offer the safest and most reliable product for our customers. To learn more about the F119 engine, click here.
The F135 effortlessly powered the F-35 Lightning II’s successful first flight on December 15, 2006, and continues to power the ongoing CTOL flight test program. By the time the F135 enters operation in 2013, the F119 engines will have logged more than 600,000 flying hours and the F135 will have logged more than 16,000 flying hours.
The F-35 is truly an international program being developed to serve the United States, United Kingdom, Italy, the Netherlands, Turkey, Canada, Australia, Denmark, Norway and other allied nations. Pratt & Whitney has partnered with the best aerospace companies in the world to manufacture critical components of the F135, with the goal of producing the most advanced propulsion system while providing value to F-35 customers around the world.
Engine Characteristics
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Conventional Take Off and Landing
CTOL / CV Engine Design
Maximum Thrust (in pounds): 43,000 (191.3 kN)
Intermediate Thrust (in pounds): 28,000 (128.1 kN)
Length: 220 inches (5.59 meters)
Inlet Diameter: 46 inches (1.17 meters)
Maximum Diameter: 51 inches (1.30 meters)
Bypass Ratio: 0.57 Overall Pressure Ratio: 28
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Short Take Off and Vertical Landing
STOVL Propulsion System Design
Maximum Thrust (in pounds): 43,000 (191.3 kN)
Short Takeoff Thrust: 38,100 (169.5 kN)
Hover Thrust: 39,400 (175.3 kN)
Main Engine: 15,700
Lift Fan: 20,000
Roll Post: 3,700
Length
Main Engine: 369 inches (9.37 meters)
Inlet Diameter: 46 inches (1.17 meters)
Lift Fan: 50 inches (1.27 meters)
Maximum Diameter: 51 inches (1.30 meters)
Bypass Ratio
Conventional: 0.56
Powered Lift: 0.51
Overall Pressure Ratio
Conventional: 28
Powered Lift: 29
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Pratt & Whitney Delivers 50th F135 Engine for the F-35 Joint Strike Fighter
May 2, 2012
Pratt & Whitney’s F135 Engine Exceeds 20,000 Hours Powering the F-35
February 13, 2012
Pratt & Whitney Awarded $194M F135 Long-Lead Production Contract
January 10, 2012
Pratt & Whitney Awarded Contract for F135 Engine Production Worth Up To $1.12B
January 3, 2012
Japanese Ministry of Defense Announces Plans to Purchase F-35 Aircraft
December 20, 2011
Pratt & Whitney F135 Propulsion System Powers Successful Sea Trials for F-35 Program
November 9, 2011
Pratt & Whitney Dedicates F-35 Lightning II Aircraft Models to Employees at Connecticut Facility
October 21, 2011
Pratt & Whitney Delivers First F135 Spare Engine to Eglin Air Force Base for F-35 Training Operations
June 20, 2011
Pratt & Whitney Awarded $1.13B Contract for F135 Engine Production
May 16, 2011
Pratt & Whitney Delivers First F135 Engine for Low Rate Initial Production Lot 3
May 6, 2011
Pratt & Whitney Celebrates Museum Installation of JSF119 Engine at Smithsonian Institution
May 3, 2011
Pratt & Whitney Receives Maintenance Contract Extension to Support F100 Engines for Italian Air Force
March 31, 2011
Pratt & Whitney's F119 Engine Hot Section Demonstrates Full-Life Capability
March 31, 2011
Customer Contact
Military Customer Technical Support
United States: 800-526-1159
Media Contact
Stephanie Duvall
Pratt & Whitney Military Engines
860.557.1382
stephanie.duvall@pw.utc.com
