1920s British piston aircraft engine
The Pobjoy P was a British seven-cylinder, air-cooled, aircraft engine designed by Douglas Rudolf Pobjoy and built by Pobjoy Airmotors. It became the progenitor of the Pobjoy R/Niagara/Cataract family of small radial engines. A notable feature of the Pobjoy P was the propeller reduction gear which allowed the small engine to operate at more desirable higher speeds.
Specifications (Pobjoy P).
"Data from" Jane's all the World's Aircraft 1928
General characteristics
Components
Performance
References.
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