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Menasco 6 Buccaneer / Super Buccaneer


The Menasco Buccaneer was a series of 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.


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



Menasco B6S Buccaneer
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)
Valvetrain: 1 inlet and 1 exhaust valve per cylinder
Fuel system: 1 Stromberg Carburetor
Fuel type: 73 octane
Cooling system: Air
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






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