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The Aleksandrov-Kalinin AK-1 was a prototype airliner built in the Soviet Union in the early 1920s, designed as part of a project by TsAGI to investigate low-cost construction techniques and to verify calculation models for thick-section airfoils. It was a high-wing, strut-braced monoplane of conventional design, powered by a single engine in the nose. Two passengers could be carried in an enclosed cabin in the fuselage, while a separate enclosed cockpit was provided for the pilot, plus a co-pilot or an additional passenger. Construction was wooden throughout.

AK-1
Role	Airliner Type of aircraft
National origin	Soviet Union
Manufacturer	GAZ-5
Designer	Vladimir Leont'evich Aleksandrov Vladimir Vladimirovich Kalinin
First flight	1 February 1924
Number built	1

The aircraft was assembled at the GAZ-5 factory during 1923 and flight testing began in February the following year. Money for the project had been donated by the Latvian Riflemen, and the AK-1 was named Латышский стрелок (Latyshskii Strelok - "Latvian Sharpshooter") in recognition of this. Following flight tests, it was handed over to Dobrolyot, who used it on a route between Moscow and Kazan. In 1925, it was used in a propaganda flight from Moscow to Beijing and other Chinese cities, flying 7,000 km (4,300 mi) in 38 days.

Operators

 Soviet Union

• Dobrolyot

Specifications

General characteristics

• Crew: one-two pilots
• Capacity: two-three passengers
• Length: 11.00 m (36 ft 1 in)
• Wingspan: 14.90 m (48 ft 11 in)
• Height: 3.80 m (12 ft 6 in)
• Wing area: 37.0 m² (398 sq ft)
• Empty weight: 1,096 kg (2,411 lb)
• Gross weight: 1,685 kg (3,707 lb)
• Powerplant: 1 × Salmson RB.9 water-cooled 9-cylinder radial[1] , 130 kW (170 hp)

Performance

• Maximum speed: 147 km/h (92 mph, 80 kn)
• Endurance: 5-6 hours
• Service ceiling: 2,200 m (7,200 ft)
• Rate of climb: 1.2 m/s (230 ft/min)

References

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 547.
• Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875-1995. London: Osprey (Reed Consumer Books Ltd). p. 16. ISBN 1 85532 405 9.
• Уголок неба
• Russian Aviation Museum

На других языках

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[de] Alexandrow-Kalinin AK-1

Die Alexandrow-Kalinin AK-1 (russisch Александров-Калинин АК-1) mit dem Beinamen Lettischer Schütze (Латышский стрелок) war das erste in der Sowjetunion gebaute und eingesetzte Verkehrsflugzeug. Es gab jedoch nur ein Exemplar.

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- [en] Aleksandrov-Kalinin AK-1

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[it] Aleksandrov-Kalinin AK-1

L'Aleksandrov-Kalinin AK-1 fu il primo aereo di linea sovietico. Realizzato in un unico esemplare nell'ambito di un programma di ricerca tecnologica, prese il nome dai due progettisti, Vladimir Leont'evič Aleksandrov e Vladimir Vladimirovič Kalinin.

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[ru] АК-1 (самолёт)

АК-1 — советский многоцелевой самолёт. Разработан тремя авиационными инженерами в 1-й половине 1920-х годов.[3]

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