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Synchronization gear
Videos
A synchronization gear was a device enabling a single-engine tractor-configuration aircraft to fire its forward-firing armament through the arc of its spinning propeller without bullets striking the b
The synchronization gear of a Messerschmitt Bf 109E1 is adjusted (January 1941). A wooden disk attached to the propeller is used to indicate where eac
The synchronization gear of a Messerschmitt Bf 109E1 is adjusted (January 1941). A wooden disk attached to the propeller is used to indicate where each round passes through the propeller arc.
Propeller of an Albatros C.III with one blade severed as a result of a faulty synchronization gear or faulty adjustment
Propeller of an Albatros C.III with one blade severed as a result of a faulty synchronization gear or faulty adjustment
The Fokker E.IV prototype's original "three-Spandau" armament, before the portside gun was removed. Production examples had two guns, arranged symmetr
The Fokker E.IV prototype's original "three-Spandau" armament, before the portside gun was removed. Production examples had two guns, arranged symmetrically.
Drawing from Euler's 1910 patent for a fixed forward-firing machine gun
Drawing from Euler's 1910 patent for a fixed forward-firing machine gun
George Constantinescu
Videos
George "Gogu" Constantinescu was a Romanian scientist, engineer, and inventor. During his career, he registered over 130 inventions. Constantinescu was the creator of the theory of sonics, a new branc
Synchronization gear
…Service in mid-1915. The success of the Eindecker led to numerous gun synchronization devices, culminating in the reasonably reliable hydraulic Romanian Constantinesco gear of 1917. By the end of the First World War, German engineers were well on the way to perfecting a gear using an electrical rather than a mechanical…
Constantinescu on a 2016 Romanian stamp
Constantinescu on a 2016 Romanian stamp
Concrete bridge in Carol Park, Bucharest, designed by G. Constantinescu and dedicated in 1906. It was the first concrete bridge with straight beams in
Concrete bridge in Carol Park, Bucharest, designed by G. Constantinescu and dedicated in 1906. It was the first concrete bridge with straight beams in Romania.
Constantinesco automobile advertisement
Constantinesco automobile advertisement
One of the two Lainici bridges designed by Constantinescu
One of the two Lainici bridges designed by Constantinescu