Walter NZ 120
The Walter NZ 120 was a nine-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia by Walter Aircraft Engines in the 1920s. Using common cylinders and parts from the NZ (Novák-Zeithammer) range of engines the NZ 120 produced up to 135 horsepower (99 kW).[1]
| NZ 120 | |
|---|---|
 | |
| Walter NZ 120 on display at the Aviation Museum of Central Finland | |
| Type | Radial aero engine |
| National origin | Czechoslovakia |
| Manufacturer | Walter Aircraft Engines |
| First run | 1920s |
Applications
- Avia B.122
- Breda Ba.26
- Fizir FN
- Junkers K 16
- Letov Š-218
- Praga BH-39NZ
- RWD 8
Specifications
General characteristics
- Type: Nine-cylinder radial piston engine
- Bore: 105 mm (4.134 in)
- Stroke: 120 mm (4.724 in)
- Displacement: 9.352 L (570.7 cu in)
- Dry weight: 148 kg (326 lb)
Components
- Valvetrain: Overhead valve, two poppet valves per cylinder
- Cooling system: Air-cooled
- Reduction gear: Direct drive
Performance
- Power output: 99.3 kW (135 hp) at 1,750 rpm (take-off power)
- Compression ratio: 4.48:1
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References
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Wikimedia Commons has media related to Walter NZ-120. |
- Notes
- Gunston 1989, p. 174.
- Bibliography
- Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
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