McCulloch MAC-101

The McCulloch MAC-101, also called the MC-101 and MC101, is a two-stroke, single cylinder engine that was designed and produced by McCulloch Motors Corporation for kart racing use, being introduced in 1967. It was also used in the late 1970s and early 1980s as an ultralight aircraft engine.[1][2][3][4]

McCulloch MAC-101
Type Kart racing engine
National origin United States
Manufacturer McCulloch Motors Corporation
Major applications Kart racing
Ultralight aircraft

Design and development

All models in the MC-101 series have a bore of 2.280 in (5.791 cm), a stroke of 1.835 in (4.661 cm) and a displacement of 7.5 cu in (122.90 cc).[1]

Variants
MC-101
Introduced in 1967[1]
MC-101A
Introduced in 1969[1]
MC-101AA
Introduced in 1971[1]
MC-101B
Introduced in 1974[1]
MC-101C
Introduced in 1969[1]
MC-101D
Introduced in 1971[1]
MC-101M/C
Introduced in 1973[1]

Applications
Aircraft

Specifications (MC-101B)

Data from McCulloch Kart Engines, Bore and Stroke, MC101B Kart Engine Illustrated Parts List and Cliche[2][3][4]

General characteristics

  • Type: single cylinder, two-stroke engine
  • Bore: 2.280 in (5.791 cm)
  • Stroke: 1.835 in (4.661 cm)
  • Displacement: 7.5 cu in (122.90 cc)

Components

  • Fuel system: carburetor
  • Oil system: pre-mixed
  • Cooling system: air-cooled

Performance

  • Power output: 12.5 hp (9 kW) at 9000 rpm

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References
  1. macbobaust.com (14 March 2008). "McCulloch Super / 101 Series Identification Chart". Retrieved 13 December 2011.
  2. macbobaust.com (n.d.). "McCulloch Kart Engines, Bore and Stroke". Retrieved 13 December 2011.
  3. macbobaust.com (n.d.). "MC101B Kart Engine Illustrated Parts List". Retrieved 13 December 2011.
  4. Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page E-34. Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4
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