Convair XF-92

Convair XF-92
Kraju	Stany Zjednoczone Ameryki
Roli	Samoloty przechwytujące
Pierwszy lot	18 września 1948
Zbudowany	1

Tthe Convair XF-92 (pierwotnie oznaczony XP-92) był wczesnym amerykańskim samolotem typu delta wing. Pierwotnie pomyślany jako myśliwiec przechwytujący do obrony punktowej, projekt został później wykorzystany wyłącznie do celów eksperymentalnych. Doprowadziło to jednak Convair do użycia skrzydła delta w wielu projektach, w tym F-102 Delta Dagger, F-106 Delta Dart, B-58 Hustler, F2Y Sea Dart US Navy, a także VTOL FY Pogo.

Źródła: Convair XF-92 na Wikipedii

Convair XF-92
Fotografów	John Heck, Władimir Yakubov
Lokalizacja	Narodowe Muzeum Lotnictwa i Przestrzeni Kosmicznej, Waszyngton
Zdjęcia	113

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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)
Roli	Experimental/Research Aircraft (Delta Wing)
National Origin	Stany Zjednoczone
Producent	Convair
First Flight	18 września 1948
Załogi	1 (Pilot)
Długość	12.83 m (42 ft 1 in)
Rozpiętość	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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