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

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

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

• Royal Hungarian Air Force

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)