February 26, 2002 (by Anonymous) - The JSF-F136 Engine Team, now on contract for the U.S. Joint Strike Fighter Program, is fully involved in full-scale engine design and development work in its ongoing program efforts.
-F136 team consists of GE
Aircraft Engines (GEAE) in Cincinnati, Ohio, and Rolls-Royce (R-R) in Indianapolis, Indiana, and in Bristol, England.
The design and development work now under way will lead to full engine testing in 2004. The engineering team earlier this year completed the analytical work that confirms the range and thrust parameters for the engine.
The engine's three-stage fan, designed by R-R, has successfully operated at full speed and pressure ratio while meeting or exceeding its performance targets. In addition, the engine's core, designed by GEAE and R-R, has accumulated more than 75 hours of successful testing in 2000, achieving all of the performance objectives. Both tests were conducted at the R-R facilities in Indianapolis.
The core engine testing was the centerpiece of the program's four-year Phase II, awarded in 1996, which also involved the Critical Design Review and several component rig tests. Phase III, a $460 million contract which runs through 2005, will involve component and subsystem testing, leading to full JSF-F136 engine testing in 2004.
In Phase III, JSF-F136 engines will be tested for the various JSF variants: Short Take-Off Vertical Landing (STOVL
) for the U.S. Marine Corps and U.K. Royal Navy, Conventional Take-Off/Landing (CTOL
) for the U.S. Air Force, and the Carrier Variant (CV
) for the U.S. Navy.
From the outset, the JSF-F136 engine has been designed specifically for the JSF production aircraft. The synergistic strength of the two leading engine companies ensures that the JSF-F136 is a low-risk entry in the Engineering and Manufacturing Development (E&MD) phase, resulting in a production engine that will meet JSF goals for affordability, supportability, survivability and performance.
For the JSF-F136, GEAE is developing advanced core-compressor and turbine-system components. GEAE and R-R are jointly developing an integrated high-pressure/low-pressure counterrotating turbine design, while R-R is responsible for the combustor/diffuser system, gearboxes, and an advanced high-pressure-ratio, long-chord, hollow, titanium blisk fan.
The JSF-F136 incorporates advanced technology and processes from the highly successful IHPTET (Integrated High Performance Turbine Engine Technology) programs.