The Sauer S 2500 UL and Sauer S 2500 ULT are four-stroke aircraft engines for homebuilt aircraft[1][2]
| Sauer S 2500UL | |
|---|---|
| Type | Horizontally opposed piston engine |
| National origin | Germany |
| Manufacturer | Sauer Flugmotorenbau GmbH |
| Major applications | Experimental Aircraft |
| Developed from | Wasserboxer |
Design and development
editThe engines are based on the Wasserboxer. They are 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 light aircraft.[1]
Variants
edit- Sauer S 2500 UL
- Sauer S 2500 ULT
Applications
editSpecifications (variant)
edit
General characteristics
- Bore: 97mm
- Stroke: 84mm
- Displacement: 2483cc
- Dry weight: 74-83 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: 100hp at 3000 rpm, 126hp at 3000 rpm (turbo)
- Compression ratio: 9:1, 8:1 (turbo)
See also
editReferences
edit- ^ a b [1], Sauer Flugmotorenbau GmbH
- ^ Old Sauer web page, Old Sauer.