The Stratus EA 81 is an American aircraft engine, produced by Stratus 2000 of Corvallis, Oregon, for use in homebuilt aircraft.[1]
Design and development
The engine is based on the Subaru EA 81 automotive engine. It is a four-cylinder, four-stroke, 1,800 cc (109.8 cu in), 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 (75 kW) at 5400 rpm.[1]
The company seems to have gone out of business in 2008, and production ended.[2]
Applications
Specifications (EA 81)
Data from World Directory of Leisure Aviation 2011-12[1]
General characteristics
- Type: Four-cylinder, four stroke aircraft engine
- Bore: 92 mm (3.6 in)
- Stroke: 67 mm (2.6 in)
- Displacement: 1,800 cc (109.8 cu in)
- Length: 660 mm (26.0 in)
- Width: 533 mm (21.0 in)
- Height: 444 mm (17.5 in)
- Dry weight: 84 kg (185.2 lb)
Components
- Fuel type: gasoline
- Cooling system: liquid
- Reduction gear: belt-type reduction drive, reduction ratio 2.2:1
Performance
- Power output: 100 hp (75 kW) at 5400 rpm
- Compression ratio: 9:1
See also
Related lists
References
- ^ a b c Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, pages 240-243. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
- ^ "Stratus 2000". Internet Archive Wayback Machine. Retrieved July 1, 2015.
- ^ "Stratus 2000 Inc. (U.S.A.)". Airframer. 2015. Retrieved July 1, 2015.
- ^ "Homebuilt Homepage - Vendors - Powerplants - Stratus". homebuilt.org. Retrieved July 2, 2015.
- ^ "Subaru Power!". zenithair.com. Retrieved July 1, 2015.