The duke engine is an advanced internal combustion engine that can deliver high thermodynamic efficiency. It runs on any suitable spark ignition fuel and has some weight and fuel savings to it. It is seen as less complex that the traditional internal combustion engine and is suitable for military and marine applications and light aircraft.
The Duke engine is a 3.0-liter engine that is capable of making 215 horsepower and 250 lb-ft of torque . It is an axial design, which means that it features 5 cylinders which encircle the drive shaft and run parallel with it. You can see in the video how this engine functions and find out much more about it.