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James O'Brien 10am - 1pm
12 June 2018, 16:23
Mystery Hour Question
On an aeroplane, why is a propeller called a propeller when it blows air rather than sucking air in?
Gavin from Stanstead
Answer
**Definitive**
Name: James O’ Brien
Qualification: Heard it before
Answer: The propeller propels the plane, even though it impels air. As it propels the plane, even though this is though impelling, it is called a propeller.