Mark Beierle, Earthstar Aircraft Co.

Mark Beierle, owner of Earthstar Aircraft Company, was the first licensee of the Rad Cam engine. Leading his team through multiple prototype iterations, he played a crucial role in proving up the practicality of the Rad Cam design. 

The final prototype—a production-ready version—provided undeniable proof that Professor Oppenheim’s theories on combustion dynamics, documented in his papers and books, were correct. Together, Duncalf, Yunick, and Beierle had transformed Oppenheim’s concepts into a functioning engine with a thermal efficiency approaching 50%—a groundbreaking achievement in powertrain innovation. 

Beierle’s expertise in engine construction, his relentless dedication to building and testing, and his determination to see the Rad Cam succeed were instrumental in turning the Rad Cam concept into a practical and efficient power source capable of revolutionizing the EV sector. 

Had the economic crisis of 2008 not disrupted funding opportunities just as he was seeking seed capital, the project may have moved forward at an even faster pace. His efforts proved the viability and robustness of the Rad Came engine and laid the groundwork for the development of Kamtech's OBE 1 design.  Left to be improved were eliminating the need to add oil in the fuel, and methods to improve and control the combustion with compression ignition.   Major hurdles that were to take years to solve.