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The Sauer S 2100 is a family of four-stroke aircraft engines, certified according to JAR 22-H (CS-22 subpart H)[1][2]

Sauer S 2100
Type	Horizontally opposed piston engine
National origin	Germany
Manufacturer	Sauer Flugmotorenbau GmbH
Major applications	Motorgliders and VLA
Developed from	Volkswagen air-cooled engine

Design and development

The engine is based on the Volkswagen air-cooled engine, extensively modified for aircraft use and all the parts are custom made.[1] They are certified according to CS-22 subpart H[2][3] and can therefore be used in motorgliders and light aircraft that are certified as CS-VLA[4] and CS-LSA[5]

Variants

Sauer S 2100-1-AS1

Sauer S 2100-1-SS1

Applications

• Scheibe SF 36

Specifications

General characteristics

• Bore: 90mm
• Stroke: 84mm
• Displacement: 2136cc
• Dry weight: 64 kg

Components

• Valvetrain: Single overhead exhaust valve, single overhead inlet valve per cylinder
• Fuel system: Bing carburetor with altitude compensation
• Fuel type: min 98 RON
• Cooling system: Air-cooled

Performance

• Power output: 80hp at 3000 rpm
• Compression ratio: 8.8:1

See also

• Sauer Engines

References

External links

• Official website

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