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The Lockheed XV-4 Hummingbird (originally designated VZ-10) was a U.S. Army project to demonstrate the feasibility of using VTOL for a surveillance aircraft carrying target-acquisition and sensory equipment. [1] It was designed and built by the Lockheed Corporation in the 1960s, one of many attempts to produce a V/STOL vertical take off/landing ...
Lockheed Martin F-35B Lightning II (Thrust Vectoring) Lockheed XFV-1 "Salmon" Lockheed XV-4 Hummingbird (vectored thrust with entrained air) LTV XC-142 (tiltwing) Lunar Landing Research Vehicle (gimbaled vertically mounted jet)
The modified JT12A-3 turbojets with a basic rating of 14.69 kN (3,300 lb st) were tested in the two Lockheed XV-4A Hummingbird VTOL research aircraft. The next version, JT12A-21, had an afterburner which delivered a maximum thrust of 17.91 kN (4,025 lb st).
Lockheed XV-4 Hummingbird – Jetlift VTOL; LTV XC-142 – VTOL transport technology demonstrator; Martin 162A Tadpole Clipper – Proof of concept aircraft; Martin XB-26H Marauder – Tandem undercarriage; McDonnell Douglas MD-81 UHB – General Electric GE36 and PW-Allison 578-DX propfan engine testbed; NASA AD-1 – Oblique Wing
The Ryan XV-5 Vertifan was a jet-powered V/STOL experimental aircraft in the 1960s. The United States Army (US Army) commissioned the Ryan VZ-11-RY (re-designated XV-5A in 1962) in 1961, along with the Lockheed VZ-10 Hummingbird (re-designated XV-4 in 1962).
This is a list of aircraft produced or proposed by the Lockheed Aircraft Corporation from its founding as the Lockheed Aircraft Company in 1926 to its merging with Martin Marietta to form the Lockheed Martin Corporation in 1995. Ordered by model number, Lockheed gave most of its aircraft astronomical names, from the first Vega to the C-5 Galaxy.
Lockheed XV-4 Hummingbird; Dassault Balzac V (V stands for vertical and is a modified Mirage III) Dassault Mirage IIIV the first VTOL capable of supersonic flight (Mach 2.03 during tests) Fokker/Republic D-24 Alliance; Ryan XV-5. Fans in wings driven by engine exhaust gas.
In May 1951, both Lockheed and Convair were awarded contracts in the attempt to design, construct, and test two experimental VTOL fighters. Lockheed produced the XFV, and Convair producing the Convair XFY Pogo. Both experimental programs proceeded to flight status and completed test flights 1954–1955, when the contracts were cancelled. [10]