Sauer S 1800
# Sauer S 1800

The Sauer S 1800 is a family of German four-stroke aircraft engines, certified according to JAR 22-H (CS-22 subpart H)

## 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. 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

## Applications

* AMS Carat

## Specifications

### General characteristics

* Bore: 90mm
* Stroke: 69mm
* Displacement: 1754cc
* Dry weight: 63 kg

### Components

* Valvetrain: Single overhead exhaust valve, single overhead inlet valve per cylinder
* Fuel system: Bing carburetor with altitude compensation
* Fuel type: min 95 RON
* Cooling system: Air-cooled

### Performance

* Power output: 60hp at 3000 rpm
* Compression ratio: 8.5:1
