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The X-44 design had a reduced radar signature (due to lack of tail and vertical stabilizers) and was made more efficient by eliminating the tail and rudder surfaces, and instead using thrust vectors to provide yaw, pitch and roll control. [1] The X-44 MANTA design was based on the F-22. The engine and fuselage would be carried over to the X-44.
The resulting X-44A (although apparently unrelated to the previously developed X-44 MANTA) was built in 1999 and first flew in 2001, [1] representing an interim design between the Darkstar and P-175 Polecat. However, Lockheed Martin kept the X-44A under wraps until February 2018. [1] [2] [3] The X-44A successfully tested multiple technologies.
High-speed and high-altitude flight X-1E: Bell USAF, NACA 1955 ... X-44 MANTA: Lockheed Martin USAF, NASA 2000 F-22-based Multi-Axis No-Tail Aircraft thrust vectoring ...
X44 or X-44 may refer to: . Agent X44, 2007 Star Cinema film starring Vhong Navarro as Agent X44 with Mariel Rodriguez in her film debut; Lockheed Martin X-44 MANTA (Multi-Axis No-Tail Aircraft), a conceptual aircraft design by Lockheed Martin that has been studied by NASA and the U.S. Air Force
The X-44 MANTA, or multi-axis, no-tail aircraft, was a planned experimental aircraft based on the F-22 with enhanced thrust vectoring controls and no aerodynamic surface backup. [277] The aircraft was to be solely controlled by thrust vectoring, without featuring any rudders, ailerons, or elevators. Funding for this program was halted in 2000 ...
[44] In the 1999 NATO bombing of Yugoslavia two stealth aircraft were used by the United States: the veteran F-117 Nighthawk, and the newly introduced B-2 Spirit strategic stealth bomber. The F-117 performed its usual role of striking precision high-value targets and performed well, although one F-117 was shot down by a Serbian Isayev S-125 ...
The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft. The X-49A is based on the airframe of a Sikorsky YSH-60F Seahawk , but utilizes Piasecki's proprietary vectored thrust ducted propeller (VTDP) design and includes the addition of lifting wings.
X-48 series was utilized to "evaluate the low-speed stability and control of a low-noise version of a notional hybrid-wing-body design." NASA is hoping that this particular aircraft will aid in the design "green airlines." Blended Wing Body (BWB) testbed. [13] Boeing X-45A: Fixed Wing, UAV Research, X-Planes, Retired Armstrong Flight Research ...