Walter Major
Walter Major was a family of Czechoslovak aircraft inline engines developed by Walter Aircraft Engines in the 1930s. Available in either four or six cylinder configuration, with identical bore and stroke of 118 mm (4.6 in) and 140 mm (5.5 in), respectively, the Walter Majors were primarily used in light aircraft. License-built in Poland by the state-owned Państwowe Zakłady Inżynieryjne (as the PZInż. Major 4), the engine was used in, among others, Zlin Z-XIII, RWD-11 and one of the PWS-35 Ogar prototypes.
| Major | |
|---|---|
 | |
| Walter Major 4 (1934) | |
| Type | Inline piston engine |
| National origin | Czechoslovakia |
| Manufacturer | Walter Aircraft Engines |
| First run | 1934 |
Applications
- Beneš-Mráz Be-50 Beta-Minor
- Beneš-Mráz Be-52
- Beneš-Mráz Be-56
- Beneš-Mráz Be-250
- Beneš-Mráz Be-251
- González Gil-Pazó GP-4
- PWS-35 Ogar
- Rogožarski SIM-XII-H
- RWD-11
- RWD-13
- RWD 20
- Spartan Cruiser
- Zlin Z-XIII
- Rubik R-18 Kánya
Specifications (Major-4)
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Walter Major 6 (1936)
General characteristics
- Type: 4-cylinder inverted inline engine
- Bore: 118 mm
- Stroke: 140 mm
- Dry weight: 140 kg
Components
- Cooling system: Air-cooled
Performance
- Power output: 130 hp
- Compression ratio: 5.2:1
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