Avia M 332
# Avia M 332

The Avia M 332 (originally known as the Walter M332) is an air-cooled four-cylinder inverted inline engine. It was designed by Bohumil Šimůnek, of Motorlet Walter Aircraft Engines, as a more powerful replacement for the four-cylinder Walter Minor engine, going into production in 1958. Piston aircraft engine production was transferred from Walter to Avia in 1964, the engine becoming the Avia M 332.

## Applications

* Aero 145
* Carlson Criquet
* Frontier MD-II
* Fry Esprit VFII
* Kharkov KhAI-24
* Orličan L-40 Meta Sokol
* Rolandas Kalinauskas RK-5 Ruth

## Specifications

Data from Jane's All The World's Aircraft 1971-72

### General characteristics

* Type: 4-cylinder inverted air-cooled supercharged inline engine
* Bore: 105 mm (4.13 in)
* Stroke: 115 mm (4.53 in)
* Displacement: 3.98 L (247.9 in³)
* Length: 1,102 mm (43.4 in)
* Width: 425 mm (16.7 in)
* Height: 628 mm (24.7in)
* Dry weight: 102 kg (225 lb)

### Components

* Valvetrain: two camshaft operated valves per cylinder, sodium filled exhaust valve
* Supercharger: Centrifugal
* Fuel system: Low pressure fuel injection
* Fuel type: Min 72 octane unleaded or 80 octane leaded
* Oil system: Dry sump pressure feed
* Cooling system: Air-cooling

### Performance

* Power output: 104 kW (140 hp) at 2,700 rpm (take-off)
