Hirth HM 506
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| 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 99
- Fieseler Fi 157 (UAV prototype)
- Fieseler Fi 158 (UAV prototype)
- Gotha Go 241
- Klemm Kl 35 B (D-ERLQ)
Specifications (HM 506A)
Data from Jane's All the World's Aircraft 1938,[2] Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944[3]
General characteristics
- Type: 6-cylinder air-cooled inverted inline
- Bore: Template:Cvt
- Stroke: Template:Cvt
- Displacement: Template:Cvt
- Length: Template:Cvt
- Width: Template:Cvt
- Height: Template:Cvt
- Dry weight: Template:Cvt dry, unequipped
- Template:Cvt wet, equipped
Components
- Valvetrain: 1 inlet and 1 exhaust valve per cylinder, operated by push-rods and rockers
- Fuel system: 2x SUM 713/1 down draught carburetters, automatic mixture control and suitable for inverted flight.
- Fuel type: 80 Octane
- Oil system: Fresh oil, metered for each cylinder. Rockers in oil bath.
- Cooling system: air
Performance
- Power output:
- Template:Cvt at 2,500 rpm (5 minutes) at sea level
- Template:Cvt at 2,420 rpm (30 minutes) at sea level
- Template:Cvt at 2,330 rpm (max. continuous / cruise) at sea level
- Specific power: Template:Cvt
- Compression ratio: 6.2:1
- Specific fuel consumption: Template:Cvt at max continuous
- Oil consumption: Template:Cvt at max continuous
- Power-to-weight ratio: Template:Cvt
- B.M.E.P.: Template:Cvt
References
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