Vega
Walter Vega, radial five-cylinder
Type	Radial aircraft engine
National origin	Czechoslovakia
Manufacturer	Walter Aircraft Engines
Designer	František Adolf Barvitius
First run	1929

The Walter Vega was a five-cylinder, air-cooled, radial engine for aircraft use, built in Czechoslovakia in the late 1920s.

Applications

• Aero A.34
• ANBO V
• Avia BH-11
• Couzinet 22
• Fizir AF-2
• Pander E85
• PWS-8

Specifications

Data from Flight.^[1]

General characteristics

• Type: five-cylinder radial engine
• Bore: 105 mm (4.1 in)
• Stroke: 120 mm (4.7 in)
• Dry weight: 102.5 kg (226 lb)
• Designer: František Adolf Barvitius

Components

• Valvetrain: Overhead valve, one inlet and one exhaust valve per cylinder
• Fuel system: Zenith Type 50J carburettor
• Fuel type: Petrol
• Oil system: Pressure and scavenge pump
• Cooling system: Air-cooled
• Reduction gear: Direct-drive

Performance

• Power output: 63 kW (85 hp) at 1,750 rpm
• Compression ratio: 5.15:1
• Power-to-weight ratio: 0.61 kW/kg (0.37 hp/lb)