Hall-Scott A-7
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 as the A-7 and 100 horsepower as the A-7a. In service these engines suffered from reliability problems and were prone to catch fire while in operation.
Variants
A-7: The A-7 used the same cylinders as the earlier Hall-Scott A-5. Bore:, stroke:, displacement:, weight:, power: at 1,400 rpm, weight: A-7a: The A-7a used the same cylinders as the earlier Hall-Scott A-5a.Applications
In 2017 about seven A-7a engines were still in use in Edwardian racing cars, mostly in the United Kingdom.Engines on display
- A Hall-Scott A-7a is on public display at the Canada Aviation and Space Museum.
- A Hall-Scott A-7a is on public display at the Aerospace Museum of California.
- A Hall-Scott A-7a is in ownership of the National Air and Space Museum.
- A Hall-Scott A-7a is on public display at the Museum of Flight.
- A Hall-Scott A-7a is on public display at the Hiller Aviation Museum.