Trefil Engine s.r.o.

History

In 1986 was developed aircraft engine AT-714 which is based on automobile engine cylinders from Tatra 613. Since the beginning, the engine was intended for ultralight airplanes, especially XL-113. Nowadays, the original engine is shown in the Tatra Museum of Technology in Kopřivnice.

Production of the engine moved from Kopřivnice to Prague, where Mr. Tomášek continued in development of the engine under name Alfa-Prag. Since 2007 is development and production of the engine in our company, where we focus on keeping the engine up-to-date and enhancing its already good properties.

Development

The engine with turbocharger has alternator by german company Silent-hektik. The cylinder head screws are made from better materials and are embedded deeper into the engine block. Following the design of the Mikron engines, the cylinders cooling was modified to improve cooling. We began co-operation with Fly Henry company which is developing new alternator.