avia.wikisort.org - AeroplaneThe Arado Ar 66 was a German single-engined, two-seat training biplane, developed in 1933. It was also used for night ground-attack missions on the Eastern Front. It was engineer Walter Rethel's last design in collaboration with Arado,[1] before Walter Blume, assigned as Arado Flugzeugwerke's chief design engineer in 1933, took over the bulk of the Arado firm's design duties.
Training biplane
Design and development
Arado's chief designer Walter Rethel started design of a new two-seat trainer in 1931, with the design being developed by Walter Blume when Rethel transferred to Messerschmitt, with the first prototype, the Ar 66a flying in 1932.[1][2]
The Ar 66 had an Argus As 10 air-cooled inverted V8 engine producing about 179 kW (240 hp), which drove a 2.5 m (8.2 ft) two-blade propeller. It carried 205 L (54 US gal) of fuel, and 17 L (4 US gal) of oil.[1]
The fuselage had an oval cross-section and was made of welded steel tubes, covered with fabric. The double wings provided very high lift, even at low speeds. Both wings had the same span and an 8° sweep. Construction consisted of a double pine wing spar structure, with lime tree ribs, and fabric covering. There were ailerons in both the upper and lower wings. The tail had a conventional design, with the horizontal stabilizers mounted on the fuselage upper edge. The rudder was placed behind the elevators. Both the rudder and the elevators were of steel tube covered in fabric, and had a bigger surface than the first version to correct balance problems. The steel tube undercarriage was attached to the fuselage in a "V" shape and used high-pressure rubber suspension.[1]
The crew consisted of two: instructor pilot and trainee, seated in open tandem cockpits, equipped with dual controls. The aircraft was equipped with instrument flight systems with photographic cameras were mounted as optional equipment.[1]
Operational history
The Ar 66 entered service with the Luftwaffe in 1933, serving as a trainer until well into World War II.[2] In 1943, the Luftwaffe set up a number of night harassment groups to operate on the Russian front. The Ar 66, along with the Gotha Go 145, formed the main equipment of these groups.[1][2]
Variants
Data from Aircraft of the Third Reich[1]
- Ar 66a
- Prototype
- Ar 66b
- 2nd prototype completed as a floatplane
- Ar 66B
- Production Seaplane version of Ar 66C. Two large steel hollow floats, braced with iron cable. About ten were constructed and used for seaplane training.
- Ar 66C
- Series production model with modified elevators, larger rudder, and larger-diameter wheels.
Operators
Czechoslovakia
- Czechoslovakian Air Force (Postwar)
Germany
- Luftwaffe
- Nachtschlachtgruppe 2
- Nachtschlachtgruppe 3
- Nachtschlachtgruppe 5
- Nachtschlachtgruppe 8
- Nachtschlachtgruppe 12
Spain
Specifications (Ar 66C)
Data from Aircraft of the Third Reich,[1] Flugzeug Typenbuch 1936[3]
General characteristics
- Crew: two
- Length: 8.3 m (27 ft 3 in)
- Wingspan: 10 m (32 ft 10 in)
- Height: 2.93 m (9 ft 7 in)
- Wing area: 29.63 m2 (318.9 sq ft)
- Aspect ratio: 6.2
- Empty weight: 905 kg (1,995 lb)
- Max takeoff weight: 1,330 kg (2,932 lb)
- Fuel capacity: main tank:172 L (45 US gal; 38 imp gal); reserve tank:33 L (8.7 US gal; 7.3 imp gal); oil tank:17 L (4.5 US gal; 3.7 imp gal)
- Powerplant: 1 × Argus As 10C inverted V-8 air-cooled piston engine, 179 kW (240 hp)
- Propellers: 2-bladed wooden fixed pitch propeller, 2.5 m (8 ft 2 in) diameter
Performance
- Maximum speed: 210 km/h (130 mph, 110 kn) at sea level
- Cruise speed: 175 km/h (109 mph, 94 kn) at optimum altitude
- Landing Speed: 80 km/h (50 mph; 43 kn)
- Range: 716 km (445 mi, 387 nmi)
- Endurance: 4.1 hours
- Service ceiling: 4,500 m (14,800 ft)
- Rate of climb: 4.333 m/s (853.0 ft/min)
- Time to altitude: 1,000 m (3,300 ft) in 4.1 minutes
- Wing loading: 45 kg/m2 (9.2 lb/sq ft)
- Power/mass: 7.44 kg/kW (12.24 lb/hp)
- Fuel consumption: 26.7 L (7.1 US gal; 5.9 imp gal) / 100 km (62 mi)
- Oil consumption: 0.86 L (0.23 US gal; 0.19 imp gal) / 100 km (62 mi)
Armament
- 2 kg (4.4 lb) and 4 kg (8.8 lb) anti-personnel bombs
See also
Aircraft of comparable role, configuration, and era
Related lists
References
- Green, William (2010). Aircraft of the Third Reich (1st ed.). London: Aerospace Publishing Limited. p. 23. ISBN 978-1-900732-06-2.
- Smith, J.R and Kay, Antony L. German Aircraft of the Second World War. London: Putnam, 1972. ISBN 0-85177-836-4.
- Schneider, Helmut (1936). Flugzeug-Typenbuch 1936 (PDF) (in German) (1936 ed.). Leipzig: Herm. Beyer Verlag. p. 9. Archived from the original (PDF) on 2018-09-08. Retrieved 2018-12-20.
Bibliography
- Gerdessen, Frederik. "Estonian Air Power 1918 – 1945". Air Enthusiast, No. 18, April – July 1982. pp. 61–76. ISSN 0143-5450.
External links
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- 4 Assigned to captured aircraft
- 5 Unconfirmed
- 6 Propaganda/cover designation
Note: Official RLM designations had the prefix "8-", but this was usually dropped and replaced with the manufacturer's prefix.
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Czechoslovak Air Force trainer aircraft designations, 1945–1958 |
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Trainer (Cvičný) | |
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Bomber Trainer (Cvičný Bombardovací) | |
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Liason Trainer (Cvičný Kurýři) | |
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Fighter Trainer (Cvičný Stíhací) | |
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На других языках
[de] Arado Ar 66
Die Arado Ar 66 war ein einmotoriger Schuldoppeldecker für die Pilotenausbildung der deutschen Luftwaffe.
- [en] Arado Ar 66
[fr] Arado Ar 66
L'Arado Ar 66 est un avion d'entraînement militaire allemand de l'entre-deux-guerres. Largement répandu dans les écoles de pilotage et de reconnaissance, il servit aussi de bombardier tactique léger durant la Seconde Guerre mondiale.
[it] Arado Ar 66
L'Arado Ar 66 fu un aereo da addestramento biposto, monomotore e biplano, sviluppato dall'azienda aeronautica tedesca Arado Flugzeugwerke GmbH nei primi anni trenta.
[ru] Arado Ar 66
Арадо 66 (нем. Arado Ar 66) — немецкий одномоторный двухместный учебно-тренировочный самолёт. Биплан, разработанный в 1931—1932 годах в Германии межвоенного периода (Веймарская республика). Также данная модель использовалась для нанесения ночных атак по наземным целям в ходе сражений немецкой армии на восточном фронте. Данная модель является последней, разработанной инженером-конструктором Вальтером Ретелем (Walter Rethel) в сотрудничестве с компанией Arado Flugzeugwerke.
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