The Stratus EA 81 is an American aircraft engine, produced by Stratus 2000 of Corvallis, Oregon, for use in homebuilt aircraft.[1]

EA 81
Type Aircraft engine
National origin United States
Manufacturer Stratus 2000, Inc
Major applications Airdale Backcountry
Zenith CH 601

Design and development

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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

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Specifications (EA 81)

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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

Performance

See also

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Related lists

References

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  1. ^ 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
  2. ^ "Stratus 2000". Internet Archive Wayback Machine. Retrieved July 1, 2015.
  3. ^ "Stratus 2000 Inc. (U.S.A.)". Airframer. 2015. Retrieved July 1, 2015.
  4. ^ "Homebuilt Homepage - Vendors - Powerplants - Stratus". homebuilt.org. Retrieved July 2, 2015.
  5. ^ "Subaru Power!". zenithair.com. Retrieved July 1, 2015.