Pobjoy Niagara

Niagara
Pobjoy Niagara on display at the Science Museum, London
Type Piston radial aero engine
Manufacturer Pobjoy Airmotors
First run 1934

The Pobjoy Niagara is a British seven-cylinder, air-cooled, radial, aero-engine first produced in 1934. The design ran at higher speeds than conventional engines, and used reduction gearing to lower the speed of the propeller. This led to a noticeable off-centre mounting for the propeller. The Niagara was a popular engine for light and experimental aircraft, well regarded due to its small diameter, smooth operation, low noise and innovative engineering.

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