Technical data
Type G-21
Function General
Year 1936
Crew 1
Engines 1*150hp M-11E
Length 7.0m
Wingspan 11.0m
Wing area 14.0m2
Empty weight 705kg
Loaded weight 980kg
Wing Load (kg/m2) 70.0
Power load (kg/hp) 9.8
Speed at 0m 220km/h
Landing Speed 70km/h
Landing Roll 85m
Takeoff Roll 80m
Range 500km
Flight Endurance 3h
Ceiling 4760m
1000m 5.6min
Fuel+Oil 105+10kg
Seats 1-2

G-21 by V.K.Gribovskij

20k b/w "History of aircraft construction in the USSR", Vol.1 p.536

One of first general purpose aircraft built in the USSR. Following roles were suggested for the G-21:

Clean low-wing cantilever monoplane with fixed landing gear and enclosed 2-3 seat cockpit. Leading edge automatic slats were synchronized by steel tube running through the fuselage. Typical for V.K.Gribovskij aircraft stressed skin wooden construction - 2mm plywood monocoque fuselage, wing covered by plywood from the leading edge to the second spar, after the second spar - fabric.

G-21 easily passed all trials, used later for training.

One built.

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  • "Technica Vozdushnogo Flota" magazine, 1937, Vol.4 pp25-29;
  • "History of aircraft construction in the USSR", Vol.1 p.535-537;
  • ....

  • Created January 6, 1999 Back to
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