In 1910 Anthony Fokker started an aviation company in Wiesbaden, Germany. His first aircraft, Spin I, made a couple of 100 yard flights at the beginning of December, 1910. However, later that month it crashed into a tree and was destroyed. His second aircraft, Spin II, also crashed in May, 1911. His third effort, Spin III, was more successful and in 1913 was purchased by the German military authorities.

On the outbreak of the First World War, Anthony Fokker began work on a new single-seater fighter plane. Fokker was convinced that it was vitally important to develop a system where the pilot could fire a machine-gun while flying the plane. His solution to this problem was to have a forward-firing machine-gun synchronized with the propeller.

Other aircraft designers such as Franz Schneider in Germany and Raymond Saulnier in France were also working on the same idea. In the early months of 1915, the French pilot, Roland Garros, added deflector plates to the blades of the propeller of his Morane-Saulnier. The idea being that these small wedges of toughened steel would divert the passage of those bullets which struck the blades.

After the Morane-Saulnier that Roland Garros was flying crashed at Courtrai on 19th April, 1915, Anton Fokkerwas able to inspect these deflector blades. Fokker and his designers decided to take it one stage further by developing an interrupter mechanism. A cam was attached to the crankshaft of the engine in line with each propeller blade, when the blade reached a position in which it might be struck by bullets from the machine-gun, the relevant cam actuated a pushrod which, by means of a series of linkages, stopped the gun from firing. When the blade was clear, the linkages retracted, allowing the gun to fire.

This synchronized machine-gun was fitted to Fokker's new EI type aircraft. Two other models, the EII and the EIII, that differed in engine-power and wing size to the EI, began arriving on the Western Front during the summer of 1915.

The synchronized machine-gun gave the Germans a considerable advantage over the Allied pilots. German aces such as Max Immelmann and Oswald Boelcke became national heroes as the number of victories over their opponents grew. However, by the spring of 1916, this advantage was lost when the Allies began using the Airco DH2and the Nieuport 17, that were also armed with synchronized machine-guns.

 

 

Performance Data of the Fokker E III
Type	fighter
Engine	100 hp Oberursel
Wing Span	30 ft 10 in (9.4 m)
Length	23 ft 11 in (7.3 m)
Height	9 ft 2 in (2.79 m)
Maximum Speed	87 mph (140 kph)
Maximum Height	11,483 ft (3,500 m)
Endurance	1 hours 30 minutes
Armament	2 machine-guns

 

 

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