General Information
Type K-4
Role Passenger Aero-
photo
Para-
medic
Year 1928 1929
Crew 131
Powerplant (1)
Type BMW-IV M-6
Power (hp) 240 300
Size
Length 11.35m
Wingspan 16.75m
Wing area 40.0m2
Weights (kg)
Empty 1540 1400 1440
Takeoff 2350 2040 2240
Loads
Wing Load (kg/m2) 58.8 51.0 56.0
Power load (kg/hp) 9.8 8.8 7.5
Speed (km/h)
at 0m 173 174 175
Cruise 145 145 155
Landing 75 70< 73
Roll (m)
Take off 270 160 -
Landing 200 200 -
Range (km)
Practical 1040 1040 1400
Ceiling (m)
Maximum 4500 5500 -
Climb (min)
1000m 7.0 5.4 -
2000m 16 12.5 -
3000m 30 20.3 -
4000m 50 32 -
Payload
Seats 4 - 3
Cargo 410kg - -

K-4, K.A.Kalinin

24k K-4 in-flight from Russian Aviation site.

This civil aircraft had minor differences from K-1, K-2 and K-3. Built in 3 basic versions. Aerophoto modification had a hatch in the cabin floor for one or two cameras.

In August 1928 K-4 "Chervona Ukraina" with crew including M.A.Snegirev (pilot) and I.T.Spirin (navigator) performed a record flight Kharkiv-Moscow-Irkutsk-Moscow-Kharkiv.

22 K-4 of all types were built. Production was stopped in 1929 once 10-seat K-5 became available.

PredecessorDevelopment

K-3

K-5
References
  • "History of aircraft construction in the USSR", Vol.1 p.416
  • Links
    General
  • K-4
  • K-4 at Russian Aviation
  • K-4 at
  • Fsim
  • Golden Age Aircraft Singles

  • Modified December 26, 2000 Back to
    Main Gate