K-6, K.A.Kalinin

airplane, used for postal delivery, newspaper matrix delivery and aerial. Wing, tail and landing gear - from K-5. Wing was installed on struts above the fuselage.
New, slender fuselage had 4m long compartment for payload.
One built, did not enter mass production.
  • "History of aircraft construction in the USSR" by V.B.Shavrov, Vol.1 p.417
  • Technical data
    Type K-6
    Function Mail/Aerophoto
    Year 1930
    Crew 1
    Engines 1*420hp Gnome-Rhone Jupiter-VI
    Length 15.0m
    Wingspan 20.0m
    Wing area 64.0m2
    Empty weight 1720kg
    Loaded weight 2820kg
    Wing load 44kg/m2
    Power load 6.7kg/hp
    Maximum Speed (0m) 210km/h
    Cruise Speed 170km/h
    Landing Speed 70km/h
    Range 1250km
    Ceiling 5600m
    1000m 5min
    2000m 12min
    3000m 20min
    4000m 32min
    Load ~370kg
    Modified May 15, 1997
    by Alexandre Savine;
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