Walter Scolar
# Walter Scolar

The Walter Scolar was a Czechoslovakian nine-cylinder, air-cooled radial engine for powering light aircraft that first ran in 1936. With a displacement of 8 litres (490 cu in), it produced 132 kW (180 hp) at 2,500 rpm.

## Applications

* Beneš-Mráz Beta-Scolar

## Engines on display

Preserved examples of the Walter Skolar engine are on display at the following museums:

* Muzeum Letectva, Košice
* Prague Aviation Museum, Kbely

## Specifications (Scolar)

Data from Kosice Air Museum

### General characteristics

* Type: 9-cylinder radial piston engine
* Bore: 105 mm (4.13 in)
* Stroke: 100 mm (3.94 in)
* Displacement: 7.8 L (488 cu in)
* Dry weight: 155 kg (342 lb)

### Components

* Valvetrain: One intake and one exhaust valve per cylinder
* Fuel system: Carburettor
* Fuel type: Petrol
* Cooling system: Air-cooled

### Performance

* Power output: 132 kW (180 hp) at 2,500 rpm
* Compression ratio: 5.4:1
* Power-to-weight ratio: 0.85 kW/kg (0.52 hp/lb)
