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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.

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)

See also

Related lists

• List of aircraft engines

References

1. Flight - 25 July 1929, p. 762. Retrieved: 29 May 2012

• Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 168.
• Němeček, Václav (1968). Československá letadla (1918-1945), pages 368, Praha: Naše vojsko.
• Walter Vega
• Foreign engines at Olympia (Flight 1929, July 25, p. 778)
• Polish PWS 8 biplane, with Walter "Vega" engine (Flight 1930, August 8, p. 888)

• Aircraft air-cooled radial piston engines
• 1920s aircraft piston engines
• Walter aircraft engines