At the Hirth engine Booth- an Aircooled 80HP engine, designed for trikes originally
This one is a 4 cylinder boxer engine. Weighs a lot less than Rotax 80hp and costs about half. They also have a water cooled 80hp Hirth with inline 3 cylinders.Jan Nademlejnsky Flying AirBorne Trike in Kamloops, Jul 4, 2012
Potentially dangerous camera too close to prop, but it looks good