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US Army Flight-Tests 3D-Printed Heavy Fuel Rotary Engine on Hybrid-Electric VICTOR Drone
The Army Research Laboratory has flight-demonstrated a 3D-printed, air-cooled heavy fuel rotary engine driving a 400-volt series-hybrid system on the Group 3…

The Army Research Laboratory has flight-demonstrated a 3D-printed, air-cooled heavy fuel rotary engine driving a 400-volt series-hybrid system on the Group 3…