Convertible engine aircraft gas-turbine is two engines in one. Produces turbofan thrust, turboshaft power, or any combined thrust and shaftpower continously while operating up to full speed. Used to power vertical/short-takeoff-and-landing (V/STOL) airplanes and advanced high-speed rotorcraft. Rotorcraft shows use of convertible engines rather than separate engines for rotor power and forward thrust affords advantages in installation and save 16 percent in fuel and 20 percent in direct operating costs. Engine used for propulsion of new high-speed rotorcraft that needs both thrust and shaft power. Also used to cross-couple fans of two-engine V/STOL aircraft.
Convertible Gas-Turbine Engines
NASA Tech Briefs ; 12 , 10
1988-11-01
Miscellaneous
No indication
English
Convertible engines power many German trucks
Engineering Index Backfile | 1937
|Gas turbine engine with convertible accessories
NTRS | 1978
|Studies of convertible turboshaft-turbofan engines for high speed rotorcraft
Tema Archive | 1984
|CONVERTIBLE TOP ELEMENT AND CONVERTIBLE TOP OR A CONVERTIBLE VEHICLE AND CONVERTIBLE VEHICLE
European Patent Office | 2020
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