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Yakovlev AIR-1

Yakovlev AIR-1
The AIR-1, 1978
General information
Type	Two-seat biplane
National origin	Soviet Union
Manufacturer	Yakovlev
Designer	Aleksandr Sergeyevich Yakovlev
Number built	6+
History
First flight	12 May 1927

The Yakovlev AIR-1 (VVA-3) was a 1920s Soviet two-seat light biplane, the first aircraft designed and built by Aleksandr Sergeyevich Yakovlev.^[1]

Development

Yakovlev designed his first aircraft while working at the Zhukovsky Military Aviation Academy; the aircraft was a two-seat light biplane powered by a 60 hp (45 kW) ADC Cirrus piston engine.^[1] The biplane was of wood and fabric construction.^[2] Although the directors of the academy were opposed to the design, the aircraft was built in the Academy Club on his own time. Originally designated VVA-3 (Military Aviation Academy-3) Yakovlev later redesignated it the AIR-1 in honour of Alexei Ivanovich Rykov, the country's premier (the Chairman of the Council of People's Commissars) and the president of the Osoviakihm.

The first flight on 12 May 1927 was flown by Yakovlev's friend Yulian Piontkovsky, who later rated the flying qualities as excellent; Piontkovsky later flew the aircraft non-stop from Sevastopol to Moscow in 15½ hours, a distance of 1,240 km (770 mi; 670 nmi). In 1928 Yakovlev produced an improved variant, the AIR-2; six were built between 1928 and 1931 fitted with different five-cylinder radial engines. One aircraft powered by a Siemens engine was designated AIR-2S and was fitted with floats designed by Vadim Shavrov.^[3]

Variants

AIR-1: Prototype with a 60 hp (45 kW) ADC Cirrus engine.
AIR-2: Improved variant fitted with either a Siemens, Walter NZ-60 or NAMI M-23 radial engine.
AIR-2S: AIR-2 fitted with two wooden floats.
VVA-3: Original designation of the AIR-1

Specifications (AIR-1)

Data from Istoriia konstruktsii samoletov v SSSR do 1938 g.^[4]

General characteristics

Crew: two
Length: 6.9 m (22 ft 8 in)
Wingspan: 8.8 m (28 ft 10 in)
Wing area: 18.7 m² (201 sq ft)
Airfoil: Göttingen 387^[2]
Empty weight: 335 kg (739 lb)
Gross weight: 535 kg (1,179 lb)
Powerplant: 1 × ADC Cirrus four-cylinder inline engine, 45 kW (60 hp)

Performance

Maximum speed: 140 km/h (87 mph, 76 kn)
Range: 1,240 km (770 mi, 670 nmi)
Service ceiling: 3,850 m (12,630 ft)
Time to altitude: 8 minutes to 1,000 m (3,300 ft), 35 minutes to 3,000 m (9,800 ft)

References

Notes

1 2 Orbis 1985, p. 3098
1 2 Shavrov 1986, p. 459
↑ Nemecek 1986, p. 244
↑ Shavrov 1986, p. 709–710

Bibliography

Nemecek, Vaclav (1986). The History of Soviet Aircraft from 1918. London: Willow Books. ISBN 0-00-218033-2.
Shavrov, V. B. (1986). Istoriia konstruktsii samoletov v SSSR do 1938 g. (in Russian) (3rd ed.). Moscow: Mashinostroenie. p. 459.
The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.

External links

Wikimedia Commons has media related to Yakovlev AIR-1.

Yakovlev AIR-1

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Bombers	Yak-2 Yak-4 Yak-28 Yak-35
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Reconnaissance	Yak-25 (II) Yak-27 Pchela
Helicopters	Yak-24 Yak-100
Trainers	UT-1 UT-2 UT-3 UT-15 UT-21 UT-23 Yak-7 Yak-11 Yak-17 Yak-18 Yak-20 Yak-21 Yak-28 Yak-30 (II) Yak-32 Yak-50 (II) Yak-52 Yak-53 Yak-54 Yak-55 Yak-130 Yak-152 Yak-200 Yak-210
Experimental	EG Yak-5 Yak-8 Yak-13 Yak-16 Yak-19 Yak-25 (I) Yak-26 Yak-30 (I) Yak-36 Yak-41 Yak-43 Yak-44 Yak-45 Yak-46 Yak-50 (I) Yak-60 Yak-140 Yak-141 Yak-201 Yak-1000