Stratus EA 81

The Stratus EA 81 is an American aircraft engine, produced by Stratus 2000 of Corvallis, Oregon for use in homebuilt aircraft.

Design and development
The engine is based upon the Subaru EA 81 automotive engine. It is a four-cylinder four-stroke, 1800 cc, liquid-cooled, gasoline engine design, with a belt-type reduction drive with a reduction ratio of 2.2:1. It employs electronic ignition and produces 100 hp at 5400 rpm.

The company seems to have gone out of business about 2008 and production ended.

Applications

 * Airdale Backcountry
 * Cessna 150
 * Zenith CH 601