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/ Kalinin K-3
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.
Specifications
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 m
2
(430 sq ft)
Empty weight
1,560 kg (3,439 lb)
Max take-off 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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