Grumman JF Duck
 |
| JF Duck | |
|---|---|
| |
| Grumman JF-2 Duck in United States Coast Guard service. | |
| Role | Utility amphibian |
| Manufacturer | Grumman |
| First flight | 4 May 1933 (XJF-1 Prototype) |
| Introduction | 1935 |
| Primary users | United States Navy United States Coast Guard |
| Number built | 48 |
The Grumman JF "Duck" was a single-engine amphibious biplane. It first flew on 17 April 1934 and was produced from 1934 until 1936, when production switched to the J2F. The only obvious external clue to differ an JF from an early J2F is the deletion of the inter-aileron strut between the wings on the J2F.
The Duck's main pontoon was part of the fuselage, making it a flying boat, though it appears more like a standard aircraft with an added float.
It set an amphibian speed record in December 1934, at 191 mph (307 km/h).
Variants
- XJF-1
- Prototype with 700 hp Pratt & Whitney R-1535-62 engine, one built (BuNo 9218).
- JF-1
- Production variant with 700 hp Pratt & Whitney R-1830-62 Twin Wasp engine, 27 built (BuNos 9434-9455, 9523-9527).
- JF-2
- Variant for the United States Coast Guard powered by a 750 hp Wright R-1820-102 Cyclone engine, 15 built (BuNo 0266, 00371-00372, 01647, USCG V141-V155).
- JF-3
- JF-2 for the U.S. Navy, five built (BuNos 9835-9839).
Operators
- U.S. Navy
- U.S. Coast Guard
- U.S. Marine Corps - Operated one JF-2
- Argentine Navy - Operated 8 JF-2s
Specifications (JF)
General characteristics
- Crew: one, pilot
Performance
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See also
Related development
Aircraft of comparable role, configuration, and era
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