Michigan Aero-Engine Corporation Rover L-267, In-line 4 Engine
date: label: Date
content: Circa 1930
name: label: Manufacturer
content: Michigan Aero-Engine Corporation (Lansing, Michigan)
notes: label: Physical Description
content: Type: Reciprocating, Inverted, In-line, 4-cylinders, Air-cooled
label: Physical Description
content: Power rating: 56 kW (75 hp) at 1,975 rpm
label: Physical Description
content: Displacement: 4.4 L (267 cu in)
label: Physical Description
content: Bore and Stroke: 105 mm (4.125 in) x 127 mm (5 in)
label: Physical Description
content: Weight: 105 kg (232 lb)
label: Summary
content: Designed by Harold E. Morehouse, a preeminent light aircraft engine designer, this was the first successful U.S. inverted air-cooled engine designed for that aircraft type. An important advantage of the inverted design is improved pilot visibility.
label: Summary
content: The prototype engine, designated Rover L-236, was assembled in 1928, type certificated in 1929 at a rating of 41 kW (55 shp), and flight tested on a British Avro Avian. In 1929, work also began on the improved and higher powered, Model L-267, production version, which was type certificated in 1930. The primary aircraft applications of the L-267 were the Driggs Skylark and Fairchild 22. Approximately 80 to 90 Rover L-267 engines were built before the depression of the early 1930s necessitated a complete production halt in 1932. A legacy of the L-267 was its influence on the design of other U.S. and European inverted, air-cooled engines.
place: label: Country of Origin
content: United States of America
setName: label: See more items in
content: National Air and Space Museum Collection
creditLine: label: Credit Line
content: Gift of Cradle of Aviation Museum
dataSource: label: Data Source
content: National Air and Space Museum
identifier: label: Inventory Number
content: A19880406000
objectType: label: Type
content: PROPULSION-Reciprocating & Rotary
objectRights: label: Restrictions & Rights
content: CC0
physicalDescription: label: Materials
content: Steel, Aluminum, Paint, Wood, Brass, Phenolic, Copper, Rubber
label: Dimensions
content: Height 81 cm (31.88 in.), Width 28.3 cm (11.13 in.), Depth 120 cm (47.25 in.)