Engineering:Yakovlev AIR-5

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Short description: Prototype Soviet single-engined cabin monoplane


AIR-5
Yakovlev AIR-5 L'Aerophile July 1933.jpg
Role Single-engined cabin monoplane
National origin Soviet Union
Manufacturer Yakovlev
First flight 1931
Number built 1
Developed into Yakovlev AIR-6

The Yakovlev AIR-5 was a prototype Soviet single-engined cabin monoplane designed by the Yakovlev design bureau.[1] The AIR-5 was a high-wing strut-braced monoplane with a 200 hp (149 kW) Wright J-4 Whirlwind engine.[1] It had a tubular steel fuselage, wooden wings and an enclosed cabin for a pilot and three passengers.[2]

When the Whirlwind engine became unavailable no further aircraft were produced and a smaller variant was designed with a locally produced M-11 radial engine and designated the AIR-6.[2]

Specifications

Data from The History of Soviet Aircraft from 1918[3]

General characteristics

  • Crew: one
  • Capacity: three
  • Length: 8 m (26 ft 3 in)
  • Wingspan: 12.8 m (42 ft 0 in)
  • Height: 2.46 m (8 ft 1 in) (tail up)[4]
  • Wing area: 23 m2 (250 sq ft)
  • Empty weight: 670 kg (1,477 lb)
  • Max takeoff weight: 912 kg (2,011 lb)
  • Powerplant: 1 × Wright J-4 Whirlwind air-cooled radial engine, 150 kW (200 hp)

Performance

  • Maximum speed: 192 km/h (119 mph, 104 kn)
  • Cruise speed: 152 km/h (94 mph, 82 kn) [4]
  • Range: 1,000 km (620 mi, 540 nmi) [4]
  • Service ceiling: 4,275 m (14,026 ft)
  • Time to altitude: 6.5 minutes to 1,000 m (3,300 ft)[4]

References

Notes

  1. 1.0 1.1 Orbis 1985, p. 2296
  2. 2.0 2.1 Nemecek 1986, p. 271
  3. Nemecek 1986, pp. 428–429
  4. 4.0 4.1 4.2 4.3 Gordon, Komissarov and Komissarov 2005, p. 23.

Bibliography

  • Gordon, Yefim; Komissarov, Dmitry; Komissarov, Sergey (2005). OKB Yakovlev: A History of the Design Bureau and its Aircraft. Hinkley, UK: Midland Publishing. ISBN 1-85780-203-9. 
  • Nemecek, Vaclav (1986). The History of Soviet Aircraft from 1918. London: Willow Books. ISBN 0-00-218033-2. 
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985). Orbis Publishing.