Hall-Scott A-7

A-7
Hall-Scott A-7a at the National Air and Space Museum
Type Piston aero engine
National origin United States of America
Manufacturer Hall-Scott Motor Car Company
First run 1910s

The Hall-Scott A-7 was an early liquid-cooled aircraft engine manufactured by the Hall-Scott company of Berkeley, California. Using a straight-4 configuration, the engine developed 90 horsepower (67 kW) as the A-7 and 100 horsepower (75 kW) as the A-7a. In service these engines suffered from reliability problems and were prone to catch fire while in operation.

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