Sauer S 2700 UL

German aircraft engine
Sauer S 2700UL
Type Horizontally opposed piston engine
National origin Germany
Manufacturer Sauer Flugmotorenbau GmbH
Major applications Experimental Aircraft
Developed from Wasserboxer

The Sauer S 2700 UL were a 4 stroke aircraft engine for homebuilt aircraft[1][2]

Design and development

The engine is based on the Wasserboxer. It is extensively modified for aircraft use and all the parts are custom made. These engines are derived from the certified engines produced by the same manufacturer and used in several motorgliders and small aircraft.[1] This particular engine must be one of the largest displacement VW conversions that have been built, but it is unknown if it ever entered production.

Specifications (S 2700 UL)

General characteristics

  • Bore: 97mm
  • Stroke: 90mm
  • Displacement: 2660cc
  • Dry weight: 75 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: 105hp at 3000 rpm
  • Compression ratio: 10:1

See also

Sauer engines

References

  1. ^ a b [1], Sauer Flugmotorenbau GmbH
  2. ^ Old Sauer web page, Old Sauer.
  • Official website
  • v
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  • e
Sauer Flugmotorenbau aeroengines
Aircraft engines
  • S 1800
  • S 1800 UL
  • S 1900 UL
  • S 2100
  • S 2100 ULT
  • S 2200 UL
  • S 2400 UL
  • S 2500
  • S 2500 UL
  • S 2700 UL