Equipment - PROPELLER, Test Propeller for Aircraft engine

Historical information

This was used as a dummy propeller when test running aircraft engines.

Physical description

This is a heavy wooden propeller for an aircraft. It is painted blue with birch tips. It has a large centre hole of 8 cm diameter. It has 8 bolt holes of 18 mm diameter. The propeller tips are squared (ie not tapered). One side of the blades have an aeronautical curved form.

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