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Buccaneer

Menasco C6S-4 Super Buccaneer inline, Pima Air Museum, Tucson AZ
Type
National origin	United States of America
Manufacturer	Menasco Motors Company

The Menasco Buccaneer was a series of popular six-cylinder, air-cooled, in-line, inverted, aero-engines, that were manufactured by Menasco Motors Company for light general aviation and sport aircraft during the 1930s and 1940s.

The six-cylinder Menasco engines had the name Buccaneer, while the four-cylinder engines had the name Pirate. The Menasco engines came in both supercharged and normally aspirated models. The supercharged models, with the S suffix added to their designation, had superior performance at higher altitudes with a relatively small increase in dimensions and weight.

Variants

Menasco A6 Buccaneer
Menasco B6 Buccaneer
Menasco B6S Buccaneer
Menasco C6 Buccaneer
Menasco C6S Super Buccaneer
Menasco D6 Super Buccaneer

Applications

Specifications (Menasco B6S Buccaneer)

General characteristics

Type: 6-cylinder, air-cooled, in-line, inverted engine
Bore: 4.5 in (114 mm)
Stroke: 5.125 in (130 mm)
Displacement: 489 cu in (8 L)
Length: 60.125 in (1,527 mm)
Width: 15 in (381 mm)
Height: 28.3 in (719 mm)
Dry weight: 423 lb (192 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: 200hp at 2,250 rpm max/150hp at 2,025 rpm cruise
Compression ratio: 5.5:1
Power-to-weight ratio: 2.82 lb/hp at cruise

References

Wikimedia Commons has media related to Menasco C6S-4.

"Engine Data Sheets". oldengine.org. Archived from the original on February 25, 2020. Retrieved April 10, 2022.
Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 115.

v t e Menasco Motors Company aero engines
Menasco designs	A-4 Pirate A-6 Buccaneer B-4 Pirate B-6 Buccaneer C-4 Pirate C-6 Buccaneer C-6S Super Buccaneer D-4 Pirate D-4B Super Pirate D-6S Super Buccaneer M-50 Unitwin 2-544 L-365 XIV-2040 XH-4070 RJ37
Licensed designs	B-2 O-45

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