A mechanical and automobile engineer. He was the inventor of the variable-pitch propeller, which contributed to British success in the Battle of Britain in 1940, and he experimented with flows through thin cells. He was elected President of the IMechE in 1922 and was first President of the Whitworth Society. Hele-Shaw considered that his most important service was the establishment of the National Certificates in Mechanical Engineering; he established the student class of member at IMechE.
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