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A pusher aircraft is a type of aircraft using propellers placed behind the engines. Pushers may be classified according to lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft) as well as engine/propeller location and drive. For historical interest, pusher aircraft are also classified by date.
A pusher aircraft is a type of aircraft using propellers placed behind the engines and may be classified according to engine/propeller location and drive as well as the lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft), Some aircraft have a Push-pull configuration with both tractor and pusher engines.
The classic "Farman" pusher had the propeller "mounted (just) behind the main lifting surface" with the engine fixed to the lower wing or between the wings, immediately forward of the propeller in a stub fuselage (that also contained the pilot) called a nacelle. The main difficulty with this type of pusher design was attaching the tail (empennage).
Twin booms extend aft of the wings to the vertical stabilizers, with the rear engine between them. The horizontal stabilizer is aft of the pusher propeller, mounted between and connecting the two booms. [1] The combined tractor and pusher engines produce centerline thrust and a unique sound. [2]
Lateral control was effected by D-shaped ailerons on the upper wing. A single elevator was mounted in front of the wings: behind the wings wire-braced wooden booms carried a horizontal surface which was operated independently of the front elevator and was used to adjust the aircraft's trim rather than for control purposes.
His first design for the new company was the B-250 Brigadier, a twin-engined pusher monoplane intended as an executive transport. It was of all-metal construction, with cantilever shoulder mounted wings, and with the pusher engines mounted in nacelles on the wing.
Waldo Waterman's first flying wing aircraft was the unofficially named Waterman Whatsit, a pusher configuration low swept-wing monoplane with fins near its wing tips. The Whatsit also featured a wing-mounted tricycle undercarriage and a trim foreplane. Powered by a 100 hp (75 kW) Kinner K-5 5-cylinder radial pusher engine, it first flew in 1932 ...
While pure pushers decreased in popularity during the First World War, the push-pull configuration has continued to be used.The advantage it provides is the ability to mount two propellers on the aircraft's centreline, thereby avoiding the increased drag that comes with twin wing-mounted engines.