LF40 Thunderbolt Turbojet Engine


The LF40 Thunderbolt turbojet engine is mainly used in power systems for target drones, cruise missiles, and loitering munitions. It can also be used in civilian light aircraft, gliders, and model aircraft. It features light weight, high thrust-to-weight ratio, high cost-effectiveness, stable and reliable operation, high integration, and convenient maintenance. It is the best micro-engine of its class in China.
LF40 Thunderbolt Turbojet Engine

Technical Parameters


Maximum Thrust40kg
Thrust-to-weight Ratio≥10
Flight Speed0~0.8Ma
Flight Altitude0~10000m (above sea level)
Fuel Consumption Rate0.147Kg/(N·h)
Generator Power28V,200W
Speed97000r/min
DimensionsMaximum outer diameter φ147mm,length 305mm
Dry Weight3.3Kg
Fuel UsedRP-3
Lubrication MethodFuel + 3% lubricating oil
Starting EnvelopeStarting Altitude: 0~4500m 
Starting Speed: 0~0.35Ma
First overhaul life50h

Other Content


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LF125 Thunderbolt Turbojet Engine

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