Arado Ar 69

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Ar 69
Role Trainer
National origin Germany
Manufacturer Arado
First flight 1933
Number built 3

The Arado Ar 69 was a two-seat German beginner's school and sport biplane with an open cockpit, developed in 1933 by Arado Flugzeugwerke.

Design & development[edit]

Three prototypes were built, the Ar 69 V1 and Ar 69 V2 were powered by 78 kW (105 hp) Hirth HM 504A engines and the V3 was powered by a BMW Bramo Sh.14a radial engine. Featuring swept wings constructed from wood, and a welded steel tube fuselage, the V1 and V2 represented the planned Ar 69A production aircraft, and the V3 would have evolved into the Ar69B production model.[1] No production aircraft were built, due to the success of the rival Focke-Wulf Fw 44 Stieglitz.

Specifications (Ar 69 V3)[edit]

Data from [2], Flugzeug-Typenbuch 1941[3]

General characteristics

  • Crew: two
  • Length: 7.2 m (23 ft 7 in)
  • Wingspan: 9 m (29 ft 6 in)
  • Height: 2.7 m (8 ft 10 in)
  • Wing area: 20.7 m2 (223 sq ft)
  • Empty weight: 540 kg (1,190 lb)
  • Max takeoff weight: 680 kg (1,499 lb)
  • Powerplant: 1 × BMW Bramo Sh.14a 7-cyl. air-cooled radial piston engine, 112 kW (150 hp)
  • Propellers: 2-bladed fixed pitch wooden propeller

Performance

  • Maximum speed: 184 km/h (114 mph; 99 kn) at sea level
  • Cruise speed: 150 km/h (93 mph; 81 kn) at optimum altitude
  • Landing Speed: 72 km/h (45 mph; 39 kn)
  • Service ceiling: 5,600 m (18,400 ft)
  • Time to altitude: 1,000 m (3,280 ft) in 3 minutes 24 seconds
  • Wing loading: 32.85 kg/m2 (6.73 lb/sq ft)
  • Power/mass: 4.54 kg/hp

References[edit]

  1. ^ "Arado Ar 69". Wehrmacht-History. Retrieved 25 September 2017.
  2. ^ Green, William (2010). Aircraft of the Third Reich (1st ed.). London: Aerospace Publishing Limited. p. 34. ISBN 978 1 900732 06 2.
  3. ^ Schneider, Helmut (1941). Flugzeug-Typenbuch 1941 (PDF) (in German) (1941 ed.). Leipzig: Herm. Beyer Verlag. p. 14.