Development of mobile engine prop test rig

February 2020 A-90 aero engine portable test stand constructed for measuring real life engine to airframe vibration, thrust and torsionals with electronic monitoring, auto control & data logging. The system fully designed and manufactured in...

Avvron Start Pre-production run

 October 2020 Following the success of their prototype outboard engine test program, Avvron commence manufacture of production spec 80HP diesel outboard powerplants for customer evaluation and sea trials. This is being done in collaboration with a major marine...

Groppo Trail joins the test and development team

December 2019 Avvron purchased a Groppo Trail light aircraft in order to commence flight trials with our A-90 opposed piston engine. The A-90 will be able to opperate on SAF, Jet A-1/F-34, and F-35. ...

Development continues

May to Aug 2019 Development program of the Avvron / Weslake A-90 opposed piston powerplant leads to a 12% improvement in fuel economy, with a similar reduction in...