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Superior Air Parts Gemini Diesel 100

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Gemini Diesel 100
Type Aircraft engine
National origin United States
Manufacturer Superior Air Parts

The Superior Air Parts Gemini Diesel 100 is a diesel aircraft engine, under development by Superior Air Parts of Coppell, Texas, United States for use in homebuilt aircraft.[1]

The company is owned by the Chinese company Superior Aviation Beijing, which is 60% owned by Chairman Cheng Shenzong and 40% owned by Beijing E-Town, an economic development agency of the municipal government of Beijing.

Design and development

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The Gemini Diesel 100 is a three-cylinder two-stroke, in-line, supercharged liquid-cooled, diesel engine design. It produces 100 hp (75 kW), with a helical gear mechanical gearbox reduction drive with a reduction ratio of 1.586:1.[1][2][3]

The engine design uses an opposed-piston engine, with "two-opposing-pistons-per-cylinder", based upon the Second World War 6-cylinder, 12-piston Junkers Jumo 205 engine concept.[3]

The engine was originally developed by UK based Powerplant Developments, who flew development engines for more than 10,000 hours. Superior acquired the company in 2015.[4][5]

The engine will not be type certified and is therefore intended for homebuilt and light-sport aircraft.[2]

Specifications (Gemini Diesel 100)

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Data from Tacke and manufacturer[1][2]

General characteristics

  • Type: Three-cylinder, two-stroke aircraft uniflow diesel engine
  • Bore: 70 mm (2.8 in)
  • Stroke: 72 mm (2.8 in)
  • Dry weight: 72.5 kg (159.8 lb)

Components

Performance

  • Power output: 100 hp (75 kW)

See also

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Related lists

References

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  1. ^ a b c Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. ^ a b c Superior Air Parts (2015). "Gemini Diesel 100". geminidiesel.aero. Retrieved 17 April 2018.
  3. ^ a b Superior Air Parts (2015). "Gemini uniflow diesel engine". geminidiesel.aero. Retrieved 17 April 2018.
  4. ^ Thomas B Haines; "Superior Introduces Diesel Gemini Meant for LSA Market", AOPA, 21 April 2015. (retrieved 27 July 2021)
  5. ^ Superior Aviation Group has Acquired the Gemini Diesel Engine, Aviation Pros, 23 April 2015. (retrieved 27 July 2021)
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