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}}{{Infobox Aircraft Type
}}{{Infobox Aircraft Type
|type= Utility amphibian
|type= Utility amphibian
|manufacturer= [[Grumman]]
|manufacturer= [[Grumman]]</br>Columbia Aircraft Corporation
|designer=
|designer=
|first flight= 4 May 1933 (XJF-1 Prototype)
|first flight= 25 April 1933 (XJF-1 prototype)
|introduced= [[1935 in aviation|1935]]
|introduced= [[1935 in aviation|1935]]
|retired=
|retired=
|status=
|status=
|primary user= [[United States Navy]]
|primary user= [[United States Navy]]
|more users= [[United States Coast Guard]]
|more users= [[United States Coast Guard]]</br> [[United States Marine Corps]]
|produced=
|produced=
|number built= 48
|number built= 632
|developed from =
|developed from =
|variants with their own articles=
|variants with their own articles=
}}
}}
|}
|}
The '''[[Grumman]] JF "Duck"''' was a single-engine [[amphibious aircraft|amphibious]] biplane. It first flew on 17 April 1934 and was produced from 1934 until 1936, when production switched to the [[Grumman J2F|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 '''[[Grumman]] JF "Duck"''' was a single-engine [[amphibious aircraft|amphibious]] biplane. It first flew on 25 April 1933 and was produced from 1934 until 1936, when production switched to the [[Grumman J2F|J2F]] and later variants. 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.


==Design and development==
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.
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&nbsp;mph (307&nbsp;km/h).
In trials, a Grumman J2F set an amphibian speed record in December 1934, at 191&nbsp;mph (307&nbsp;km/h).

==Operational history==

==Notable appearance in media==


==Variants==
==Variants==
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;JF-2: Variant for the [[United States Coast Guard]] powered by a 750&nbsp;hp [[Wright R-1820|Wright R-1820-102]] Cyclone engine, 15 built (BuNo 0266, 00371-00372, 01647, USCG V141-V155).
;JF-2: Variant for the [[United States Coast Guard]] powered by a 750&nbsp;hp [[Wright R-1820|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).
;JF-3: JF-2 for the U.S. Navy, five built (BuNos 9835-9839).
;JF-4
;JF-5
;JF-6
;Grumman G15-G-20
;Grumman AO-10


==Operators==
==Operators==
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*[[U.S. Marine Corps]] - Operated one JF-2
*[[U.S. Marine Corps]] - Operated one JF-2
{{ARG}}
{{ARG}}
*[[Argentine Navy]] - Operated 8 JF-2s
*[[Argentine Navy]] - Operated eight JF-2s




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{{Grumman aircraft}}
{{Grumman aircraft}}
{{Aviation lists}}
{{Aviation lists}}

==References==
;Notes
{{reflist}}
;Bibliography
{{refbegin}}
* Thruelsen, Richard. ''The Grumman Story''. New York: Praeger Publishers, Inc., 1976. ISBN 0-275-54260-2.
* Treadwell, Terry. ''Ironworks: Grumman's Fighting Aeroplanes''. Shrewsbury, UK: Airlife Publishers, 1990. ISBN 1-85310-070-6.
{{refend}}

==External links==
* [http://www.aviation-history.com/grumman/j2f.html The Grumman J2F Duck]


{{DEFAULTSORT:Jf Duck}}
{{DEFAULTSORT:Jf Duck}}

Revision as of 12:07, 2 April 2010

JF Duck
Grumman JF-2 Duck in United States Coast Guard service.
Role Utility amphibian
Manufacturer Grumman
Columbia Aircraft Corporation
First flight 25 April 1933 (XJF-1 prototype)
Introduction 1935
Primary users United States Navy
United States Coast Guard
United States Marine Corps
Number built 632

The Grumman JF "Duck" was a single-engine amphibious biplane. It first flew on 25 April 1933 and was produced from 1934 until 1936, when production switched to the J2F and later variants. 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.

Design and development

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.

In trials, a Grumman J2F set an amphibian speed record in December 1934, at 191 mph (307 km/h).

Operational history

Notable appearance in media

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).
JF-4
JF-5
JF-6
Grumman G15-G-20
Grumman AO-10

Operators

 United States

 Argentina


Specifications (JF)

General characteristics

  • Crew: one, pilot

Performance

See also

Related development

Aircraft of comparable role, configuration, and era

References

Notes
Bibliography
  • Thruelsen, Richard. The Grumman Story. New York: Praeger Publishers, Inc., 1976. ISBN 0-275-54260-2.
  • Treadwell, Terry. Ironworks: Grumman's Fighting Aeroplanes. Shrewsbury, UK: Airlife Publishers, 1990. ISBN 1-85310-070-6.