Propulsion of the F-15 is supplied by two Pratt & Whitney F100-PW-100 afterburning turbofan engines of 23,904/14,780 pounds thrust each. Developed especially for the F-15, these high-pressure-ratio engines are reported to have much improved efficiency over earlier engines for fighter aircraft.
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The F100-PW-200 is an afterburning turbofan engine with a maximum thrust of approximately 25000 pounds. The basic weight of the aircraft with full internal fuel is 24700 pounds, so the f16 actually has a thrust to weight ratio of more than one to one in some configurations.
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