Hirth HM 506
| HM 506 | |
|---|---|
| Type | Inline piston engine |
| National origin | Germany |
| Manufacturer | Hirth Motoren GmbH |
| Major applications | Bücker Bü 133 |
The Hirth HM 506 was a six-cylinder air-cooled inverted inline engine that was developed from the earlier four-cylinder HM 504.[1] The HM 506 was a popular engine for light aircraft of the 1930s to 1940s and powered the Bücker Bü 133A model trainer. The engine featured a cast magnesium alloy crankcase.
Applications
- Bücker Bü 133 A
- Fieseler Fi 98 (prototype)
- Fieseler Fi 99
- Fieseler Fi 157 (UAV prototype)
- Fieseler Fi 158 (UAV prototype)
- Gotha Go 241
- Klemm Kl 35 B (D-ERLQ)
Specifications (HM 506)
Data from Grey 1972, p. 60d-61d
General characteristics
- Type: 6-cylinder air-cooled inverted inline
- Bore: 105 mm (4.13 in)
- Stroke: 115 mm (4.53 in)
- Displacement: 5.976 L (364.7 cu in)
- Length: 1,276 mm (49.8 in)
- Width: 490 mm (19.1 in)
- Height: 735 mm (28.66 in)
- Dry weight: 149 kg (328 lbs)
Components
- Valvetrain: 1 inlet and 1 exhaust valve per cylinder, operated by push-rods and rockers
- Fuel system: 2 Sum down draught carburetters, automatic mixture control and suitable for inverted flight. Twin Bosch magnetos.
- Oil system: Fresh oil, metered for each cylinder. Rockers in oil bath.
- Cooling system: air
Performance
- Power output: 160 hp[1]
- Compression ratio: 6:1
References
Notes
Bibliography
- Grey, C.G. (1972). Jane's All the World's Aircraft 1938. London: David & Charles. ISBN 0-7153-5734-4.
{{cite book}}: Cite has empty unknown parameter:|coauthors=(help); Invalid|ref=harv(help) - Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9