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LOM Praha M-332

Avia M 332
Walter M 332

LOM  Praha M-332 AK
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.

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

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