Menasco Pirate
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| Pirate | |
|---|---|
 |
|
| Type | Piston aero engine |
| National origin | United States |
| Manufacturer | Menasco Motors Company |
| First run | 1930s |
| Major applications | Great Lakes 2T-1MS Ryan ST |
The Menasco Pirate series were four-cylinder, air-cooled, in-line, inverted aero-engines, built by the Menasco Motors Company of Burbank, California, for use in light general and sport aircraft during the 1930s and 1940s.[1] The Menasco engines came in both normally aspirated and supercharged forms, with the supercharged models exhibiting superior performance at higher altitudes, with a relatively small increase in dimensions and weight. The supercharged models had the S suffix added to their designation to show supercharging.[2]
Contents
Variants
- Menasco A-4 Pirate (also listed as Menasco 4A)
- 90 hp.[3]
- Menasco B-4 Pirate
- 95 hp.[3]
- Menasco C-4 Pirate (Military designation L-365)
- 125 hp.[3] Compression ratio 5.8: 1, dry weight 300 lb[4]
- Menasco Pirate C-4S
- 150 hp.[3]
- Menasco D-4 Pirate
- 125 hp, compression ratio 5.5:1, dry weight 311 lb[4]
- Menasco D-4-87 Super Pirate
- Compression ratio 6:1, dry weight 310 lb[4]
- Menasco M-50 Pirate
- Menasco L-365-1
- military designation for the C4-4LA[citation needed]
- Menasco L-365-3
- similar to -1 but changes to cylinder heads, lubrication and carburettor[citation needed]
Applications
Specifications (Menasco C4S Pirate)
General characteristics
- Type: 4-cylinder, air-cooled, in-line, inverted engine
- Bore: 4.75 in (12.65 mm)
- Stroke: 5.125 in (130.18 mm)
- Displacement: 363.27 cu in (5.95 L)
- Length: 47.5 in (1,206 mm)
- Width: 17.7 in (449 mm)
- Height: 28.5 in (724 mm)
- Dry weight: 299 lb (135 kg)
Components
- Valvetrain: 1 inlet and 1 exhaust valve per cylinder
- Fuel system: 1 Stromberg Carburetor
- Fuel type: 73 octane
- Cooling system: Air
Performance
- Power output: 150 hp at 2,260 RPM max/112hp at 2,025 RPM cruise
- Compression ratio: 5.5:1
- Power-to-weight ratio: 0.37hp/lb at cruise
See also
- Comparable engines
- Alfa Romeo 110
- Argus As 8
- Blackburn Cirrus Major
- de Havilland Gipsy Major
- Elizalde Tigre IV
- Hirth HM 504
- Related lists
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Parker, Dana T. Building Victory: Aircraft Manufacturing in the Los Angeles Area in World War II, pp. 122–24, Cypress, CA, 2013.
- ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
- Lua error in package.lua at line 80: module 'strict' not found.
External links
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Wikimedia Commons has media related to Menasco Pirate. |
