Menasco_M-50
Menasco M-50
1930s American aircraft piston engine
The Menasco M-50 was an American four-cylinder horizontally-opposed aircraft engine.[1]
| M-50 | |
|---|---|
| Menasco M-50 aircraft engine at the San Diego Air & Space Museum | |
| Type | Piston aero-engine |
| National origin | United States |
| Manufacturer | Menasco Motors Company |
| Major applications | Aeronca KM |
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The engine was developed from 1937-1938 for use in Aeronca model KM light aircraft. Despite there being a deal for an estimated 500 Menasco M50 engines, only 10 engines were delivered as the deal broke down. Despite being initially being designed for aircraft usage, M-50 engines were also used to power midget race cars in Los Angeles. The failure of the engine in the market could be attributed towards the late entry for the engine into the market meant that the engine was soon overshadowed by more technologically advanced engines developed by its competitors such as the 65 hp (48 kW) flat-four engines from Continental and Franklin.[2]
Data from FAA TCDS.[3]
General characteristics
- Type: Four-cylinder horizontally-opposed piston engine
- Bore: 3.5 in (88.9 mm)
- Stroke: 3.75 inches (95.3 mm)
- Displacement: 144.4 cu in (2.37 L)
- Dry weight: 167 lb (76 kg)
Components
- Fuel system: Stromberg carburetor
- Fuel type: 73 octane gasoline
- Cooling system: Air-cooled
- Reduction gear: Direct drive
- Ignition system: Bendix-Scintilla magneto
Performance
- Power output: 50 hp (37 kW) at 2,500 rpm
- Compression ratio: 5.25:1
Comparable engines
Related lists
- Grey, C.G. (1972). Jane's All the World's Aircraft 1938. London: David & Charles. pp. 93d. ISBN 0-7153-5734-4.
- Rinek, Larry. "Menasco Aircraft Engines and Their Air Racing Heritage" (PDF).
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