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An Overview of Military Jet Engine History 113 As these problems became evident, relations deteriorated between P&W management and the Air Force. The Air Force wanted P&W to fix the engine under the existing contract. P&W argued that it had delivered an engine that met the original performance specifications. The problem, according to P&W, was that the Air Force began operating the engine in a much more demanding environment than had originally been specified. Therefore, P&W argued that the Air Force should provide additional developmental money to fix the problems. The many problems with the F100 led the Air Force to become in- creasingly interested in funding an alternative engine development and production program for both the F-15 and the F-16. The obvious source for competition was GE. GE’s entry into the Advanced Tech- nology Engine competition had been its F101 design.11 Learning from the F100 development problems, GE decided to assume less technological performance risk on its F101 and focus more on relia- bility and maintainability. GE finally received government funding in 1972 to complete the F101 development as an afterburning turbofan to power the North American Rockwell B-1 bomber. In 1979, the Air Force was able to acquire funding to support further development of the F101 as a possible alternative to the P&W F100. The Air Force had originally viewed its support of the F101 primarily as a ploy to force P&W to be more responsive to fixing the F100 problems. However, Congress soon entered the fray and mandated that the Air Force and Navy fund full competitive engine programs for alternatives to both the Air Force F100 and the Navy’s TF30. By 1980, this had been formalized as the Alternate Fighter Engine pro- gram. GE entered into the competition its F110 turbofan, an out- growth of its F101 effort, and P&W went ahead with its improved en- gine, the F100-220. Between 1984 and 1989, the Air Force pit GE against P&W for orders for new engines for the F-16, making for an intense annual competition. Each year, the engine buy was split be- tween the two companies, but the percentage shares could vary widely from year to year. Yet, at the end of the six years of procure- ______________ 11After losing the FX competition, GE moved ahead with further development of the engine using its own money, and teamed with Northrop on the YF-17 Lightweight Fighter program in competition with the General Dynamics/P&W YF-16 team.PDF Image | Military Jet Engine Acquisition Technology Basics and Cost-Estimating Methodology
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