01 A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a pus…
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A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, Tractor monoplane, Tractor biplane, etc. This is the most common arrangement for propellers on modern airplanes.(Aviation)