Sauer S 2500
# Sauer S 2500

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 Wasserboxer, 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 T

    A 126 hp (94 kW) turbocharged version no longer available and unknown if it ever was available commercially.

## Specifications

### General characteristics

* Bore: 97mm
* Stroke: 84mm
* Displacement: 2483cc
* Dry weight: 77 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: 94hp at 3000 rpm, 100hp at 3200 rpm (S 2500-1-FS1)
* Compression ratio: 8.8:1
