The Arado SD II, a fighter biplane created in Germany during the 1920s, was designed to be part of the covert air force being established at Lipetsk.
It aimed to address the issues faced by its predecessor, the SD I.
Despite sharing a similar layout, the SD II was a completely new design.
This aircraft was larger and heavier, featuring wings with less stagger and braced with traditional wires.
Additionally, the landing gear and tailplane were constructed to be much stronger.
In 1929, the SD II was pitted against the Heinkel HD 37 in a competition, revealing significant handling problems.
As a result, further development of the SD II was halted.
Specifications
Crew
One
Length
7.40 m (24 ft 4 in)
Wingspan
9.90 m (32 ft 6 in)
Height
2.95 m (9 ft 8 in)
Wing area
23.0 m2 (248 sq ft)
Empty weight
1,445 kg (3,186 lb)
Gross weight
1,770 kg (3,900 lb)
Powerplant
1 × Bristol Jupiter VI,
395 kW (530 hp)
Performance
Maximum speed
235 km/h (146 mph, 127 kn)
Service ceiling
6,400 m (20,997 ft)
Rate of climb
11.1 m/s (2,190 ft/min)
Armament
2 × fixed, forward-firing 7.92 mm (.312 in) machine guns.
Sources Arado Geschichte Eines Flugzeugwerks-Jorg Armin Kranzhoff. Die geheimen Anfänge der Luftwaffe 1920-1935-Waffen-Arsenal Special Band-M Griehl. Die deutschen Militärflugzeuge 1919-1934-H Stutzer.
