Rolls-Royce initiated the UltraFan program more than 10 years ago, and the demonstrator engine is assembled and undergoing testing in Derby, England, at full power and running on Sustainable Aviation ...
Engine chevrons have become a defining feature of modern aircraft, but do they really pose a problem for performance?
Producers of military jet engines are rolling out new lines of small turbofans, eyeing an expected boom in demand for uncrewed fighter aircraft. US propulsion suppliers Pratt & Whitney (P&W), GE ...
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