[2][3] The engine was first publicly displayed at AirVenture in July 2015[2] and first flown in March 2016.

[5] The Rotax 915 iS is a four-cylinder four-stroke, horizontally-opposed, turbocharged, air and liquid-cooled, gasoline engine design, with a mechanical gearbox reduction drive.

The turbocharger has a compression ratio of 3.5:1 and the engine will have a critical altitude of 15,000 ft (4,572 m).

[1][2][6] The engine is based on the Rotax 912, but differs in that it has fuel injection, a reinforced crankshaft, new pistons, a new gearbox and a turbocharger.

Data from AVweb[2] and manufacturer's website[1] Related lists