Breakthrough In Small, Heavy-Fuel UAV Engines Hailed
U.K. engine maker Cubewano says it has broken through the 1-hp/1-lb. barrier with the lightest, most powerful heavy-fuel engine yet to fly. The kerosene-fueled rotary engine powered Honeywell’s Class 1 Increment 2 ducted-fan unmanned aircraft on an 8-min. flight in Albuquerque, N.M. Cubewano CEO...
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