The true differences between Pratt & Whitney & CFM engines

Both companies make engines that power narrow-bodies, but have different design philosophies.
insider.si.edu

Pratt & Whitney F100-PW-100 Turbofan Engine

Pratt & Whitney won a 1970 U.S. Air Force competition to design the engine for the service's next generation fighter, the F-15 Eagle. The F100-PW-100 first flew in July 1972 and entered service with ...
Flightglobal

Pratt & Whitney at 100: Dependable engines – view from the helm

Shane Eddy is at the helm of a legendary ­aviation brand born 100 years ago. That was when a ­former US Army lieutenant, Frederick ­Rentschler, embarked on his mission to turn Pratt & ­Whitney – the ...
Flightglobal

Pratt & Whitney at 100: Commercial Engines – single minded

It may have been the military Wasp that propelled Pratt & Whitney into the aviation engine business a century ago, but the company helped give birth to the early airline industry and has been by its ...
Aviation Week

Hermeus Set For Supersonic Demonstrator Engine Integration

COLORADO SPRINGS—High-speed aircraft developer Hermeus expects to begin installation “within weeks” of a Pratt & Whitney F100-229 engine into its Quarterhorse Mk. 2 supersonic flight demonstrator. The ...