AeroTwin AT972T

The AeroTwin AT972T is an American aircraft engine, designed and produced by the AeroTwin Motors Corporation, a subsidiary of the AirScooter Corporation of Henderson, Nevada for use in ultralight aircraft, in particular their AirScooter helicopter design.

The company seems to have been founded about 2002 and gone out of business in 2012 and production ended.

Design and development
The engine is a twin-cylinder four-stroke, in-line, 972 cc displacement, air and oil-cooled, gasoline engine design, with either a poly V belt or mechanical gearbox reduction drive with a clutch and reduction ratios of 1.88, 2.00 and 2.14:1. It employs dual electronic ignition and produces 65 hp at 4200 rpm, with a compression ratio of 8.0:1.