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Walter Atom


The Walter Atom is an air-cooled horizontal two-cylinder engine used on light aircraft. The Atom is a Czechoslovakian engine first produced in 1937.

 

Atom
Type: Horizontal 2 cylinder air-cooled
Bore: 85 mm (3.35 in)
Stroke: 96 mm (3.78 in)
Displacement: 1.09 L (66.5 cu in)
Length: 510 mm (20.08 in)
Width: 815 mm (32.09 in)
Height: 409 mm (16.10 in)
Dry weight: 40 kg (88.2 lb)
Valvetrain: 1 inlet and one exhaust valve per cylinder
Fuel system: 2 Amal carburettors
Fuel type: 68 octane
Cooling system: air
Power output: 21 kW (28 hp) at 3000 RPM
Compression ratio: 5.2:1
Power-to-weight ratio: 2.14 kg/kW (3.52 lb/hp) at cruise

 

 

 

 

 

 


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