Search filter

    • Year
      1906
      2018
    • Length
      9 m
      15 m
    • Height
      3 m
      6 m
    • Width
      1 m
      8 m
    • Diameter
      3 m
      9 m
    • Wing area
      27 m2
      42 m2
    • Wingspan (Beam)
      11 m
      18 m
    • Wing loading
      83 kg/m2
      125 kg/m2
    • Swept
      4 m
      10 m
    • Sweep
      25 deg
      68 deg
    • Aspect ratio
      1
      26
    • Disc area
      1 m2
      460 m2
    • Main rotor diameter
      1 m
      62 m
    • Rotor number
      1 qt
      8 qt
    • Blades per rotor
      4 qt
      5 qt
    • Disc loading
      17 kg/m2
      73 kg/m2
    • Tail rotor diameter
      0 m
      5 m
    • Empty weight
      1968 kg
      2953 kg
    • Max. takeoff weight (Gross weight)
      2902 kg
      4355 kg
    • Loaded weight
      5 kg
      242500 kg
    • Crew
      1 per.
      3 per.
    • Useful load
      26 kg
      90700 kg
    • Payload
      23 kg
      122470 kg
    • Capacity passengers
      5 per.
      9 per.
    • Hardpoints
      1 qt
      2576 qt
    • Ground Speed
      96 km/h
      1500 km/h
    • Max. Speed
      259 km/h
      389 km/h
    • Сruise Speed
      245 km/h
      369 km/h
    • Stall Speed
      40 km/h
      258 km/h
    • Landing Speed
      68 km/h
      270 km/h
    • Minimum control speed
      24 km/h
      113 km/h
    • Never exceed speed
      107 km/h
      1050 km/h
    • Fuel Capacity
      23 l
      320000 l
    • Fuel External
      142 l
      10025 l
    • Power/mass
      0 hp/kg
      23 hp/kg
    • Thrust/weight
      0 kN/kg
      3 kN/kg
    • Afterburning thrust
      29 kN/kg
      980 kN/kg
    • Total Power
      720 hp
      1080 hp
    • Thrust
      1 kN
      1914 kN
    • Service ceiling
      5193 m
      7791 m
    • Static ceiling
      3 m
      5485 m
    • Range (Ferry range)
      824 km
      1236 km
    • Range PTB (Ferry range)
      720 km
      10000 km
    • Сombat radius
      277 km
      7210 km
    • Endurance
      0 h
      150 h
    • Takeoff roll
      20 m
      3200 m
    • Landing roll
      20 m
      2570 m
    • Maximum glide ratio
      7
      43
    • Load factor from
      2 G
      9 G
    • Rate of climb
      268 m/min
      403 m/min
    • Rate of sink
      36 m/min
      56 m/min
    • Time to altitude
      0 min
      105 min
    • Propellers
      1 qt
      8 qt
    • Prop diameter
      1 m
      6 m
    • Prop blade number
      1 qt
      8 qt
    • Guns
      1 qt
      18 qt
    • Bombs
      1 qt
      3 qt
    • Missiles
      1 qt
      24 qt
    • Rockets
      1 qt
      76 qt
    • Torpedoes
      1 qt
      4 qt
    • Bombs weight
      2 kg
      39000 kg
    • Rockets weight
      1 kg
      48 kg
    • Number built
      276 qt
      414 qt
    • Price
      49744 USD
      74616 USD

Grumman G-21 Goose

TypeAircraft
Company

Grumman Aerospace Corporation

Scheme

High wing

Monoplane

Geometry
Length (m)
1.9
 
11.7
88.7
Height (m)
0.6
 
4.9
50.1
Wings
Wing area (m2)
1.1
 
34.8
925
Wingspan (Beam) (m)
0.1
 
14.9
95
Wing loading (kg/m2)
3.1
 
104
829
Weights
Empty weight (kg)
8
 
2,460.7
276,800
Max. takeoff weight (Gross weight) (kg)
154
 
3,628.7
575,000
Capacity
Crew (per.)
1
 
2
112
2 or 3
Capacity passengers (per.)
1
 
7
400
Speeds
Max. Speed (km/h)
25
 
324
28,165
at 1520 m
Сruise Speed (km/h)
52
 
307
3,087
at 1520 m
Power
Total Power (hp)
0.4
 
900
60,000
2 powerplants 450 hp each
Performance
Service ceiling (m)
0.6
 
6,492.2
161,544
Range (Ferry range) (km)
4
 
1,030
40,700
Dynamic Performance
Rate of climb (m/min)
1.9
 
335.3
36,000
Combat
Bombs (qt)
1
 
2
250
325-lb depth charges or 250-lb GP bombs
Stat
Number built (qt)
0
 
345
43,000
Price (USD)
41.5
 
62,180
750.0 million
Introduction 1937
First flight 1937

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