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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]
| Pirate | |
|---|---|
 | |
| Type | Piston aero engine |
| National origin | United States |
| Manufacturer | Menasco Motors Company |
| First run | 1930s |
| Major applications | Great Lakes 2T-1MS Ryan ST |
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
- Super-charged 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
- 134 hp,Compression ratio 6:1, dry weight 310 lb[4]
- 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
- Argonaut Pirate
- Aeroneer 1-B
- Great Lakes 2T-1MS
- de Havilland Canada DH.82C Menasco Moth (Canada, 136 built)
- Fairchild 22 C7B
- Gee Bee Sportster Model D
- Jones S-125
- Ryan ST
- Stearman-Hammond Y-1
- VEF I-17
- Willoughby Delta 8
Specifications (Menasco C4S Pirate)
General characteristics
- Type: 4-cylinder, air-cooled, in-line, inverted engine
- Bore: 4.75 in (120.65 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
- "Menasco Pirate". www.bombercommandmuseum.ca. 2011. Retrieved May 26, 2011.
- Parker, Dana T. Building Victory: Aircraft Manufacturing in the Los Angeles Area in World War II, pp. 122–24, Cypress, CA, 2013.
- Herschel, Smith. (1986). A History of Aircraft Piston Engines. Sunflower University Press. ISBN 0-07-058472-9.
- "Menasco Pirate" (PDF). rgl.faa.gov. Retrieved May 26, 2011.
- Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 115.
External links
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Wikimedia Commons has media related to Menasco Pirate. |
На других языках
- [en] Menasco Pirate
[ru] Menasco Pirate
Menasco Pirate — серия американских поршневых авиадвигателей воздушного охлаждения, разработанных и производившихся в 1930-1940-х годах фирмой Menasco Motors Company (Бербанк (Калифорния))[1]. Применялись преимущественно в лёгкой и спортивной авиации. У моделей с наддувом в названии имелась литера "S" (supercharger)[2]/Текст в блоке "Читать" взят с сайта "Википедия" и доступен по лицензии Creative Commons Attribution-ShareAlike; в отдельных случаях могут действовать дополнительные условия.
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