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Sauer S 2500

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Sauer S 2500
Type Horizontally opposed piston aircraft engine
National origin Germany
Manufacturer Sauer Flugmotorenbau GmbH
Major applications Motorgliders and light aircraft
Developed from Volkswagen Wasserboxer engine

The Sauer S 2500 is a family of four stroke aircraft engines certified according to JAR 22-H (CS-22 subpart H)

Design and development

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

Variants

Sauer S 2500-1-DS1
Sauer S 2500-1-TS1
Sauer S 2500-1-HS1
Sauer S 2500-1-FS1
Sauer S 2500 T
A 126 hp (94 kW) turbocharged version no longer available and unknown if it ever was available commercially.

Specifications

General characteristics

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: 94hp at 3000 rpm, 100hp at 3200 rpm (S 2500-1-FS1)
  • Compression ratio: 8.8:1

See also

References

  1. ^ Sauer Flugmotorenbau GmbH
  2. ^ EASA, CS-22
  3. LBA 4580, LBA
  4. CS-VLA, CS-VLA
  5. CS-LSA, CS-LSA

External links

Sauer Flugmotorenbau aeroengines
Aircraft engines
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