Wedell-Williams XP-34: Difference between revisions

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{{short description|Canceled fighter project}}
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{|{{Infobox Aircraft Begin
{|{{Infobox Aircraft Begin
|name=XP-34
|name=XP-34
|image= Wedell-Williams XP-34 artists concept.jpg
|image= File:Wedell-Williams XP-34 artists concept.jpg
|caption= Artist's impression of the XP-34
|caption= Artist's impression of the XP-34
}}{{Infobox Aircraft Type
}}{{Infobox Aircraft Type
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}}
}}
|}
|}

The '''Wedell-Williams XP-34''' was a [[fighter aircraft]] design submitted to the [[United States Army Air Corps]] (USAAC) before [[World War II]] by [[Marguerite Clark]] Williams, widow of millionaire [[Harry Palmerston Williams|Harry P. Williams]], former owner and co-founder of the [[Jimmy Wedell|Wedell-Williams Air Service Corporation]].
The '''Wedell-Williams XP-34''' was a [[fighter aircraft]] design submitted to the [[United States Army Air Corps]] (USAAC) before [[World War II]] by [[Marguerite Clark]] Williams, widow of millionaire [[Harry Palmerston Williams|Harry P. Williams]], former owner and co-founder of the [[Jimmy Wedell|Wedell-Williams Air Service Corporation]].


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==Specifications (proposed)==
==Specifications (proposed)==
{{Aircraft specs
{{Aerospecs
|ref= ''U.S. Fighters''
|ref= ''U.S. Fighters''
|met or eng?= eng
|prime units? = imp
|crew=1 pilot
|crew=1 pilot
|capacity=
|length m=7.2
|length m=7.2
|length ft=23
|length ft=23
Line 45: Line 46:
|span m=8.45
|span m=8.45
|span ft=27
|span ft=27
|span in=8½
|span in=8.5
|swept m=<!-- swing-wings -->
|swept ft=<!-- swing-wings -->
|swept in=<!-- swing-wings -->
|rot number=<!-- helicopters -->
|rot dia m=<!-- helicopters -->
|rot dia ft=<!-- helicopters -->
|rot dia in=<!-- helicopters -->
|dia m=<!-- airships etc -->
|dia ft=<!-- airships etc -->
|dia in=<!-- airships etc -->
|width m=<!-- if applicable -->
|width ft=<!-- if applicable -->
|width in=<!-- if applicable -->
|width in=<!-- if applicable -->


As proposed, the XP-34 would have had a [[wingspan|span]] of 27' 8½" (8.45 m), height 10' 9" (3.28 m), a gross weight of 4,250 lb (1927 kg), and a projected speed of 286 mph at 10,000 ft (460 km/h at 3050 m).<ref name= "Jones p. 80"/>
As proposed, the XP-34 would have had a [[wingspan|span]] of 27' 8.5" (8.45 m), height 10' 9" (3.28 m), a gross weight of 4,250 lb (1927 kg), and a projected speed of 286 mph at 10,000 ft (460 km/h at 3050 m).<ref name= "Jones p. 80"/>
|height m=3.28
|height m=3.28
|height ft=10
|height ft=10
|height in=9
|height in=9
|wing area sqm=
|wing area sqft=
|swept area sqm=<!-- swing-wings -->
|swept area sqft=<!-- swing-wings -->
|rot area sqm=<!-- helicopters -->
|rot area sqft=<!-- helicopters -->
|volume m3=<!-- lighter-than-air -->
|volume ft3=<!-- lighter-than-air -->
|aspect ratio=<!-- sailplanes -->
|empty weight kg=
|empty weight lb=
|gross weight kg=1,928
|gross weight kg=1,928
|gross weight lb=4,250
|gross weight lb=4,250
|lift kg=<!-- lighter-than-air -->
|lift lb=<!-- lighter-than-air -->
|eng1 number=1
|eng1 number=1
|eng1 type=[[Pratt & Whitney]] [[Pratt & Whitney R-1830 Twin Wasp|XR1830-C]] aircooled [[radial engine|radial]]
|eng1 name=[[Pratt & Whitney]] [[Pratt & Whitney R-1830 Twin Wasp|XR1830-C]] air-cooled [[radial engine|radial]]
|eng1 kw=671
|eng1 kw=671
|eng1 hp=900
|eng1 hp=900
|eng1 kn=<!-- jet/rocket engines -->
|eng1 lbf=<!-- jet/rocket engines -->
|eng1 kn-ab=<!-- afterburners -->
|eng1 lbf-ab=<!-- afterburners -->
|eng2 number=
|eng2 type=
|eng2 kw=<!-- prop engines -->
|eng2 hp=<!-- prop engines -->
|eng2 kn=<!-- jet/rocket engines -->
|eng2 lbf=<!-- jet/rocket engines -->
|eng2 kn-ab=<!-- afterburners -->
|eng2 lbf-ab=<!-- afterburners -->
|max speed kmh=496
|max speed kmh=496
|max speed mph=308
|max speed mph=308
|max speed mach=<!-- supersonic aircraft -->
|cruise speed kmh=<!-- if max speed unknown -->
|cruise speed mph=<!-- if max speed unknown -->
|range km=
|range miles=
|endurance h=<!-- if range unknown -->
|endurance min=<!-- if range unknown -->
|ceiling m=
|ceiling ft=
|glide ratio=<!-- sailplanes -->
|climb rate ms=
|climb rate ftmin=
|sink rate ms=<!-- sailplanes -->
|sink rate ftmin=<!-- sailplanes -->
|armament1=
|armament2=
|armament3=
|armament4=
|armament5=
|armament6=
}}
}}


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;Bibliography
;Bibliography
{{refbegin}}
{{refbegin}}
* Dorr, Robert F. and Donald, David. ''Fighters of the United States Air Force.'' London: Temple, 1990. ISBN 0-600-55094-X.
* Dorr, Robert F. and Donald, David. ''Fighters of the United States Air Force.'' London: Temple, 1990. {{ISBN|0-600-55094-X}}.
* Jones, Lloyd S. ''U.S. Fighters, Army-Air Force: 1925 to 1980s''. Los Angeles: Aero Publishers Incorporated, 1975. ISBN 0-8168-9200-8.
* Jones, Lloyd S. ''U.S. Fighters, Army-Air Force: 1925 to 1980s''. Los Angeles: Aero Publishers Incorporated, 1975. {{ISBN|0-8168-9200-8}}.
{{refend}}
{{refend}}


{{USAF fighters}}
{{USAF fighters}}


[[Category:United States fighter aircraft 1930–1939|Wedell-Williams P-34]]
[[Category:Wedell-Williams aircraft|XP-34]]
[[Category:Single-engine aircraft]]
[[Category:Cancelled military aircraft projects of the United States|Wedell-Williams P-34]]
[[Category:Propeller aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:United States experimental aircraft 1930–1939|Wedell-Williams P-34]]
[[Category:Low-wing aircraft]]

Latest revision as of 21:33, 20 July 2020

XP-34
Artist's impression of the XP-34
Role Fighter aircraft
National origin United States
Manufacturer Wedell-Williams Air Service Corporation
Developed from Wedell-Williams Model 45

The Wedell-Williams XP-34 was a fighter aircraft design submitted to the United States Army Air Corps (USAAC) before World War II by Marguerite Clark Williams, widow of millionaire Harry P. Williams, former owner and co-founder of the Wedell-Williams Air Service Corporation.

Design and development[edit]

Derived from an original proposal made in 1932, the XP-34 was based on a design by air racer Jimmy Wedell, who was considered, "one of the most noted race plane designers of its day".[1] The aircraft was a direct result of the development of Wedell's most successful designs, the Model 44 and Model 45.[2] The forward fuselage was intended to be metal, the after part and control surfaces covered in fabric.[1]

The interest expressed from the USAAC was based on the success of the private racing aircraft in the 1930s that were reaching 300 mph speeds in competition, a performance level not achieved by standard aircraft types in service in the U.S. military.[2]

On 1 October 1935, the USAAC ordered a full set of drawings and issued the XP-34 designation. It soon became apparent, however, with its original 700 hp (522 kW) Pratt & Whitney R1535 Twin Wasp engine, the anticipated performance of the XP-34 would be insufficient compared to designs already in production.

Wedell-Williams suggested substituting the 900 hp (671 kW) XR-1830 instead. Although the promise of high speed was still there, other considerations such as the complete redesign of the airframe to accommodate a heavier and more powerful engine were considered impractical with the new design subsequently rejected by the Air Corps before any aircraft were built.[2]

Specifications (proposed)[edit]

Data from U.S. Fighters

General characteristics

  • Crew: 1 pilot
  • Length: 23 ft 6 in (7.2 m)
  • Wingspan: 27 ft 8.5 in (8.45 m)
  • Height: 10 ft 9 in (3.28 m)
  • Gross weight: 4,250 lb (1,928 kg)
  • Powerplant: 1 × Pratt & Whitney XR1830-C air-cooled radial , 900 hp (671 kW)

Performance

  • Maximum speed: 308 mph (496 km/h, 268 kn)

See also[edit]

Related development

Related lists

References[edit]

Notes
  1. ^ a b c Jones 1975, p. 80.
  2. ^ a b c Dorr and Donald 1990, p. 61.
Bibliography
  • Dorr, Robert F. and Donald, David. Fighters of the United States Air Force. London: Temple, 1990. ISBN 0-600-55094-X.
  • Jones, Lloyd S. U.S. Fighters, Army-Air Force: 1925 to 1980s. Los Angeles: Aero Publishers Incorporated, 1975. ISBN 0-8168-9200-8.