D.IV

Fokker D.IV

The D.IV was equipped with the powerful 160 hp 6-cylinder Mercedes D III inline engine and achieved a top speed of 160 km/h.
The D.IV was designed by Martin Kreutzer.
The aircraft was fitted with ailerons in the wing as a standard. The front of the hull was more streamlined than its predecessors, this was made possible by the shape of the relatively narrow inline engine.
One aircraft even had a streamlined spinner around the propeller hub that followed the contour of the fuselage.
The position of the exhaust was also changed with this plane.
The armament consisted of 2 7.92 mm LMG / 815 machine guns.

The D.IV was not a great success. During the testing of the aircraft, manufacturing and design flaws were found, including the welded joints of the frame.
Errors and reduced quality were again the result of unskilled personnel in the Fokker factory.
The plane  was never approved by the German army for front-line operations.
The aircraft is mainly used for training and defense inland, far from the front.

The German army used 40 D.IVs, Sweden ordered 4.
On January 24, 1917, the Swedish army entered into an agreement with Fokker for the delivery of 4 D.IVs.
Only 3 D.IVs were built for Sweden, however they were never used but stored in a hangar in Stockholm and did not even carry Swedish registrations.

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