The Franklin O-150 (company designation 4AC-150) was an American air-cooled aircraft engine of the late 1930s. The engine was of four-cylinder, horizontally-opposed layout and displaced 150 cu in (2 L). The power output was nominally 40 hp (30 kW).
O-150/4AC | |
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4AC-150 engine on display at the San Diego Air & Space Museum | |
Type | Piston aircraft engine |
National origin | United States |
Manufacturer | Franklin Engine Company |
First run | 1938 |
Data from Jane's all the World's Aircraft 1938.[1]
Comparable engines
Related lists
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Two-cylinder engines |
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Four-cylinder engines |
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Six-cylinder engines |
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Eight-cylinder engines |
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12-cylinder engines |
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United States military piston aircraft engine designation system | |
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H (four-bank H-configuration inline) | |
IV (inverted-V inline) | |
L (single-bank inline) | |
O (opposed) | |
R (radial) |
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V (upright-V inline) | |
V (inverted-V inline) | |
VG (inverted-V inline) | |
W (three-bank W-configuration inline) |
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