Walter Pollux
The Walter Pollux is a Czechoslovakian nine-cylinder, air-cooled, radial engine, built by Walter Aircraft Engines for powering light aircraft and that first ran in 1936. The engine produces 240 kW (320 hp) at 1,800 rpm.[1]
| Pollux | |
|---|---|
.jpg.webp) | |
| Walter Pollux IIR | |
| Type | Radial aero engine |
| National origin | Czechoslovakia |
| Manufacturer | Walter Aircraft Engines |
| First run | 1936 |
The first known use was on the Fieseler F 2 Tiger in 1934.[2]
Variants
- Pollux II
- Direct drive engine
- Pollux II-R
- Geared engine, reduction ratio 0.666:1
Applications
Engines on display
A preserved example of the Walter Pollux engine is on display at the following museum:
Specifications (Pollux II)
Data from Flight,[3] Jane's all the World's Aircraft 1931[4]
General characteristics
- Type: 9-cylinder radial piston engine
- Bore: 135 mm (5.3 in)
- Stroke: 170 mm (6.7 in)
- Length: 1,220 mm (48 in)
- Diameter: 1,254 mm (49.4 in)
- Dry weight: 323 kg (712 lb); Pollux IIR 341 kg (751 lb)-geared
Components
- Valvetrain: One intake and one exhaust valve per cylinder
- Fuel system: One Zenith double 60DCJ carburettor
- Fuel type: Benzine - Benzol 50:50
- Oil system: dry sump pressure feed
- Cooling system: Air-cooled
- Reduction gear: Pollux IIR - 0.666:1
Performance
- Power output: Normal:240 kW (320 hp) at 1,800 rpm; maximum 280 kW (380 hp) at 1,900 rpm
- Compression ratio: 6:1
- Specific fuel consumption: 0.282 kg/kWh (0.464 lb/(hp⋅h))
- Oil consumption: 0.013 or 0.021 kg/kWh (0.022 or 0.035 lb/(hp⋅h))
- Power-to-weight ratio: 1 kW/kg (0.61 hp/lb)
See also
Comparable engines
Related lists
References
Wikimedia Commons has media related to Walter Pollux.
- Gunston, Bill (1989). World encyclopaedia of aero engines (Fully rev. 2nd ed.). P. Stephens. p. 174. ISBN 1-85260-163-9.
- "unknown". Flug Revue. November 2000.
{{cite journal}}: Cite uses generic title (help) - "ENGINES at the PARIS SHOW" (pdf). Flight. XXX (1457): 578–579. 26 November 1936. Retrieved 26 December 2018.
- Grey, C.G., ed. (1931). Jane's all the World's Aircraft 1931. London: Sampson Low, Marston & company, ltd. pp. 29d–30d.
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