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.

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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 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

• Alcor C-6-1 Junior
• Bellanca 28-92
• Brown B-2 Racer
• Brown B-3
• Chester Goon
• Crosby CR-4
• Fokker S.IX/2
• Folkerts SK-3
• Howard DGA-4
• Miles Mohawk
• Miles Peregrine
• Northrop Beta 3
• Northrop N-9M
• PZL.26
• Rider R-6
• VEF I-14
• Waco Custom Cabin MGC-8

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

See also

Comparable engines

• Alfa Romeo 115
• Argus As 17
• de Havilland Gipsy Queen
• de Havilland Gipsy Six
• Hirth HM 506
• Isotta Fraschini Beta
• Napier Javelin
• Ranger L-440
• Renault 6Q

Related lists

• List of aircraft engines

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.

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