Convair XF-92

Convair XF-92
Land	Usa
Roll	Interceptor flygplan
Första flygningen	18 september 1948
Byggd	1

Den Convair XF-92 (ursprungligen betecknad XP-92) var ett tidigt amerikanskt deltavingeflygplan. Ursprungligen tänkt som en punktförsvarsinterceptor, användes designen senare enbart för experimentella ändamål. Det ledde dock Convair att använda delta-vingen på ett antal mönster, inklusive F-102 Delta Dagger, F-106 Delta Dart, B-58 Hustler, US Navys F2Y Sea Dart samt VTOL FY Pogo.

Källkod: Convair XF-92 på Wikipedia

Convair XF-92
Fotografer	John Heck, Vladimir Yakubov
Lokalisering	Nationella luft- och rymdmuseet, Washington DC
Bilder	113

Convair XF-92A Dart 01

Convair XF-92A Dart 02

Convair XF-92A Dart 03

Convair XF-92A Dart 04

Convair XF-92A Dart 05

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Convair XF-92A Dart 07

Convair XF-92A Dart 08

Convair XF-92A Dart 09

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General Characteristics and Role

The Convair XF-92A Dart was a single-seat, experimental jet aircraft developed for the U.S. Air Force (USAF) in the late 1940s. Although initially conceived as a prototype interceptor (designations XF-92/YF-92), its true significance lies in its role as a pure research vehicle. The XF-92A was the first American jet aircraft to fly with a delta wing configuration. Based on aerodynamic research by German engineer Alexander Lippisch, this radical wing shape was crucial to Convair’s supersonic aircraft development. The XF-92A successfully proved the feasibility of the delta wing design for high-speed flight, directly leading to the development of the F-102 Delta Dagger and the B-58 Hustler.

Property	Typical Value (XF-92A)
Roll	Experimental/Research Aircraft (Delta Wing)
National Origin	USA
Tillverkare	Konvair
First Flight	18 september 1948
besättning	1 (Pilot)
längd	12.83 m (42 ft 1 in)
Spännvidd	9.55 m (31 ft 4 in)
Gross Weight	6,890 kg (15,198 lb)

Powerplant and Delta Features

Engine: Initially a General Electric J33-A-21 turbojet, later upgraded to a Allison J33-A-29 turbojet with afterburner.
Thrust (Max): Approx. 3,400 lbf (15 kN) (original J33); 8,300 lbf (37 kN) (upgraded J33-A-29 with afterburner).
Aerodynamics: The delta wing featured a 60-degree sweep along the leading edge. The absence of a conventional horizontal stabilizer meant the single control surfaces (elevons) handled both pitch and roll control.
Maximum Speed: The upgraded version was capable of speeds approaching the speed of sound, with Mach 0.95 being achieved during flight testing.
Key Contribution: The XF-92A was vital in studying the flight characteristics of the delta wing, particularly issues related to high angle-of-attack handling and high-speed stability.

Program Legacy and Impact

Pilot Feedback: Test pilots, including Chuck Yeager, praised the aircraft’s high-speed handling but noted poor low-speed maneuverability, particularly during landing approach, which required high pitch angles.
Influence: The XF-92A is considered the direct predecessor to all of Convair’s supersonic delta wing interceptors and bombers, setting the path for aircraft such as the F-102 Delta Dagger, the F-106 Delta Dart, and the B-58 Hustler strategic bomber.
Retirement: The sole prototype flew over 250 times and was retired in 1953 after successfully completing its primary research objectives.
Preservation: The single XF-92A built (AF Ser. No. 46-682) is now on permanent display at the National Museum of the United States Air Force in Dayton, Ohio.

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