The Gear That Made Planes Deadlier

Early fighter planes used a special gear to shoot through their own spinning propellers. This innovation allowed pilots to aim their entire aircraft at a target instead of relying on manually timed shots.

Before this invention, pilots risked shooting off their own propeller blades during aerial combat. The synchronization gear linked the engine to the trigger, ensuring that bullets were only released when the blades were safely out of the way. This shift turned airplanes into precise weapons rather than just observation tools. It essentially transformed the entire plane into a single, massive aiming device for the pilot.