Superior Air Parts Gemini Diesel 125

The Superior Air Parts Gemini Diesel 125 is a diesel aircraft engine, under development by Superior Air Parts of Coppell, Texas, United States for use in homebuilt aircraft.[1]

Gemini Diesel 125
Type Aircraft engine
National origin United States
Manufacturer Superior Air Parts

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

The Gemini Diesel 125 is a three-cylinder two-stroke, in-line, supercharged liquid-cooled, diesel engine design. It produces 125 hp (93 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 will not be type certified and is therefore intended for homebuilt and light-sport aircraft.[2]

Specifications (Gemini Diesel 125)

Data from Tacke and manufacturer[1][2]

General characteristics
  • Type: Three-cylinder, two-stroke aircraft uniflow diesel engine
  • Dry weight: 79.5 kg (175.3 lb)

Components

Performance
  • Power output: 125 hp (93 kW)

See also

Related lists

References
  1. 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. Superior Air Parts (2015). "Gemini Diesel 125". geminidiesel.aero. Retrieved 17 April 2018.
  3. Superior Air Parts (2015). "Gemini uniflow diesel engine". geminidiesel.aero. Retrieved 17 April 2018.
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