Friday, 18 March 2016

Arado SD.II

Today we write about another Arado fighter prototype which, unfortunately, there aren't any known blueprints, so this post has not any drawing.

The Arado SD.II was a German biplane fighter developed in 1929. It was meant to equip the German clandestine air force that was being formed.

Despite sharing the same basic outlines from the previous SD.I, it was an all-new design, larger and heavier. The wings were less staggered and they were braced with conventional wires. Both the landing gear and the tail of the airplane were considerably stronger.

It was powered by a 530hp Bristol Jupiter nine-cylinder radial engine built by Siemens und Halske which, with a three bladed propeller, it required a high angle of attack on the ground. It was also armed with a pair of 7,92mm 08/15 machine guns.

It proved to be difficult to fly and was discarded in favour of the Heinkel HD.37. However, this one, together with the Arado SD.III set the basis for the Arado Ar.64, which was the company's first mass produced fighter.

The only known pic of the Arado SD.II

Sources:
1. https://en.wikipedia.org/wiki/Arado_SD_II
2. Salamander Books - The Complete Book of Fighters

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