Arado Ar 79

The Arado Ar 79 was a German aircraft of the 1930s, designed as an aerobatic two-seat trainer and touring aircraft.[1]

Ar 79
Role Aerobatic trainer
Manufacturer Arado
First flight 20 April 1938
Introduction 1938
Produced 72

The Ar 79 was a monoplane with retractable, tailwheel undercarriage. The wings were constructed of fabric over plywood, the forward fuselage was of fabric over steel tube, and the rear fuselage was a monocoque structure.[1]

Operational history

The Ar 79 set a number of speed records in 1938:[1]

  • On 15 July the solo 1,000 km (621.4 mi) at 229.04 km/h (142.32 mph),[1]
  • On 29 July the 2,000 km (1,242.8 mi) at 227.029 km/h (141.069 mph).[1]
  • From 29 to 31 December, a modified Ar 79, with a jettisonable 106 L (28 US gal) fuel tank and extra 520 L (140 US gal) tank behind the cabin, completed a non-stop 6,303 km (3,917 mi) flight from Benghazi, Libya to Gaya, India, at an average speed of 160 km/h (100 mph).[1]

Operators
 Hungary

Specifications

Data from Aircraft of the Third Reich,[2] Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt 1944[3]

General characteristics

  • Crew: two
  • Length: 7.6 m (24 ft 11 in)
  • Wingspan: 10 m (32 ft 10 in)
  • Height: 2.1 m (6 ft 11 in)
  • Wing area: 14 m2 (150 sq ft)
  • Aspect ratio: 7.14
  • Empty weight: 460 kg (1,014 lb)
  • Max takeoff weight: 760 kg (1,676 lb)
  • Fuel capacity: 120 l (32 US gal; 26 imp gal) fuel + 4 l (1.1 US gal; 0.88 imp gal) oil
  • Powerplant: 1 × Hirth HM 504A-2 inverted 4-cyl. air-cooled in-line piston engine 105 PS (104 hp; 77 kW)
  • Propellers: 2-bladed fixed pitch propeller, 2 m (6 ft 7 in) diameter

Performance

  • Maximum speed: 230 km/h (140 mph, 120 kn) at sea level
  • Cruise speed: 205 km/h (127 mph, 111 kn) 75 PS (74 hp; 55 kW) at sea level
  • Range: 1,025 km (637 mi, 553 nmi)
  • Endurance: 5 hours 18 minutes
  • Service ceiling: 5,300 m (17,400 ft) solo
4,500 m (14,764 ft) dual
  • g limits: +10.8 (ultimate)
  • Rate of climb: 4 m/s (790 ft/min)
  • Time to altitude:
  • 1,000 m (3,281 ft) in 3 minutes 48 seconds
  • 2,000 m (6,562 ft) in 8 minutes 24 seconds
  • Wing loading: 57 kg/m2 (12 lb/sq ft)
  • Power/mass: 0.1314 PS/kg (0.0588 hp/lb; 0.0966 kW/kg)
  • Fuel consumption: 11 l/km (4.7 US gal/mi; 3.9 imp gal/mi)
  • Oil consumption: 0.15 l/km (0.064 US gal/mi; 0.053 imp gal/mi)
  • Take-off run: 180 m (591 ft)

Notes
  1. Donald, p. 60.
  2. Green, William (2010). Aircraft of the Third Reich. 1 (1st ed.). London: Aerospace Publishing Limited. pp. 36–37. ISBN 978 1 900732 06 2.
  3. Schneider, Helmut (1944). Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie (in German) (Sonderausg ed.). Leipzig: Herm. Beyer Verlag. pp. 22–23. ISBN 381120484X.

References
  • Donald, David, ed. (1997). The Encyclopedia of World Aircraft. Prospero Books. p. 118. ISBN 1-85605-375-X.
  • Green, William (2010). Aircraft of the Third Reich. 1 (1st ed.). London: Aerospace Publishing Limited. pp. 36–37. ISBN 978 1 900732 06 2.
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