delivering High Thermodynamic Efficiency, Complete Fuel flexibility, (runs on any suitable spark ignition fuel), neglible 1st and 2nd order vibration with huge weight and size savings.
Check out the DEVELOPMENT TIMELINE
It is a considerably less complex internal combustion engine and is suitable for Marine (inboard and outboard), Light Aircraft, Generator/Utility and Military applications.

Thank you very much for your interest and support !
Check out the DEVELOPMENT TIMELINE
What about seals?
What about performance?
Fuel efficiency and emissions?
Tell me about centrifugal forces in an axial layout?
What about friction?
What fuel types can a Duke Engine run on?
Read about Duke Engines invitation to present at Clean Equity Monaco 2012
Business Review USA
Erie TV News
My Fox
Watch the Duke Engines interview with the Historical Aviation Film Unit on You Tube.
EAA Sport Aviation and Knee Slider Magazine have recently penned excellent articles in praise of Duke Engines unique axial internal combustion technology.
Business Review USA
Read Sport Aviation
Read Knee Slider

Duke Engines is looking for international co development and licensing partners for its range of unique axial engines.
Please contact us for further discussions and access to our validated test results and detailed technical information.
We would love to show you how a Duke engine can fit your application.
Want to see our engines live on the dyno?
Engine Showcase April, Detroit, USA.
Please contact us if you are interested in a live demo.