Kalinin K-3

The Kalinin K-3 was a Soviet air ambulance monoplane designed by Konstantin Kalinin. The K-3 was based, in part, on both the Kalinin K-1 and K-2 and was powered by a BMW IV engine. It had a metal airframe and an enclosed cabin, holding four passengers or two stretchers. A large hatch allowed stretchers to be easily loaded and unloaded. Production of the K-3 began in 1927.[1]

Kalinin K-3
Role Air ambulance
National origin Soviet Union

Operators
 Soviet Union
  • Soviet Air Force

Specifications

General characteristics

  • Crew: 1
  • Capacity: 4 passengers, 740kg
  • Length: 11.25 m (36 ft 11 in)
  • Wingspan: 16.76 m (55 ft 0 in)
  • Wing area: 40 m2 (430 sq ft)
  • Empty weight: 1,560 kg (3,439 lb)
  • Max takeoff weight: 2,300 kg (5,071 lb)
  • Powerplant: 1 × BMW IV inline engine, 180 kW (240 hp)

Performance

  • Maximum speed: 170 km/h (110 mph, 92 kn)
  • Cruise speed: 140 km/h (87 mph, 76 kn)
  • Range: 730 km (450 mi, 390 nmi)
  • Service ceiling: 3,880 m (12,730 ft)
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References
  1. "К-3". Retrieved August 15, 2011.
  • Kopenhagen, Wilfried (1986). Lexikon Sowjetluftfahrt (in German). Elbe-Dnjepr-Verlag.


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