Inventions
In the 1920s Pullin developed various helicopter engine patents and in the 1940s he developed the Powerwheel, a rotary engine in the hub of a motorcycle wheel, a rotating single-cylinder engine known as a one-lunger. This consisted of just the cylinder and a clutch which could be engaged and disengaged, with a simple drum brake. The invention never entered production but is credited as an important step in rotary engine development.
His sister was married to Stephen Leslie Bailey, a then prominent engineer at Douglas Motorcycles and many of his patents were filed under the name of that company.
Read more about this topic: Cyril Pullin
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