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United States' Grumman J2F Duck floatplane

Grumman J2F Duck floatplane:
United States' Grumman J2F Duck floatplane		 Grumman J2F Duck floatplane:
United States' Grumman J2F Duck floatplane		    
Grumman J2F Duck floatplane:
      

Design

Leroy Grumman designed the Grumman J2F in 1932 to be a replacement for the Loening amphibians in service with the United States Navy.1

The J2F had a central hull with floats on the wings to stabilize.2 There was also retractable landing gear.2

Prototype

The XJF-1 prototype first flew on April 24, 1933 / May 19332.1

Production

Production started in April 1934.1 Deliveries began at the end of 1934.1

The order for the J2F-6 was placed after the attack on Pearl Harbor.2

  • Grumman XJF-1: 11
  • Grumman JF-1: 271
  • Grumman JF-2: 231
  • Grumman JF-3: 51
  • Grumman J2F-1: 202, 291
  • Grumman J2F-2: 212, 301
  • Grumman J2F-3: 201,2
  • Grumman J2F-4: 321,2
  • Grumman J2F-5: 1441,2
  • Grumman J2F-6: 3301,2
  • Total: 6411

Variants

  • Grumman XJF-1: Prototype.1 Pratt & Whitney R-1535-52 engine.1
  • Grumman JF-1: Production model.1
  • Grumman JF-2: Wright Cyclone engine.1
  • Grumman JF-3:
  • Grumman J2F-1: Inter aileron struts removed.1
  • Grumman J2F-2:
  • Grumman J2F-2A: United States Marine Corps modified to carry a machine gun and bomb racks.1
  • Grumman J2F-3:
  • Grumman J2F-4:
  • Grumman J2F-5: Arrived in 1940.1
  • Grumman J2F-6: Built by Columbia Aircraft.1

Usage

Argentina and the United States used the J2F Duck.1

Argentina

Argentina received 23 JF-2s.1

Specifications

  Grumman J2F Duck1 Grumman J2F-1 Duck1 Grumman J2F-2 Duck1 Grumman J2F-5 Duck1, Grumman J2F-6 Duck1
Type Utility amphibian1     Liaison2  
Crew 2 - 31     22  
Engine (Type)   Wright R-1820-102 Cyclone1 Wright R-1820-102 Cyclone1 Wright R-1820-50 Cyclone1,2 Wright R-1820-54 Cyclone1
Cylinders   Radial 91 Radial 91 Radial 92  
Cooling       Air2  
HP   7501 7501 8502, 9501 1,0501
Propeller blades   31 31 31 31
Dimensions          
Span 39'1
11.89 m1 		    39'2  
Length 34'1
10.36 m1 		    34'2  
Height 12' 4"1
3.76 m1 		    15' 1"2  
Wing area          
Weight          
Empty       4,300 lb1
1,950 kg1 		5,445 lb1
2,470 kg1
Loaded       6,711 lb1,2
3,044 kg1 		7,700 lb1
3,493 kg1
Performance          
Speed       188 mph1,2
303 kph1 		 
Cruising speed       150 mph1
241 kph1 		 
Climb       1,500'/minute1
457 m/minute1 		 
Service ceiling       27,000'1,2
8,230 m1 		 
Range       780 miles1,2
1,255 km1 		 
Armament       None2  
Rear cockpit 1: 0.303" MG1        
Bombs - under wings 2: 100 lb1
2: 45 kg1 		       
  Grumman JF-1 Duck1 Grumman JF-2 Duck1 Grumman JF-3 Duck1
Type      
Crew      
Engine (Type) Pratt & Whitney R-1830-62 Twin Wasp1 Wright R-1820-102 Cyclone1 Wright R-1820-102 Cyclone1
Cylinders Radial 141 Radial 91 Radial 91
Cooling      
HP 7001 7501 7501
Propeller blades 31 31 31
Dimensions      
Span      
Length      
Height      
Wing area      
Weight      
Empty      
Loaded      
Performance      
Speed      
Cruising speed      
Climb      
Service ceiling      
Range      
Armament      

Sources:

  1. Aircraft of WWII, Stewart Wilson, 1998
  2. World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976