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The NASA X-57 Maxwell was an experimental aircraft developed by NASA, intended to demonstrate technology to reduce fuel use, emissions, and noise. [2] The first flight of the X-57 was scheduled to take place in 2023, but the program was cancelled due to problems with the propulsion system.
X-54: Gulfstream: NASA Low-noise supersonic transport [67] in development. X-55: Lockheed Martin USAF 2009 Advanced Composite Cargo Aircraft (ACCA) [68] X-56: Lockheed Martin USAF/NASA 2013 Active flutter suppression and gust load alleviation Part of the high-altitude, long-endurance (HALE) reconnaissance aircraft program. [69] X-57 Maxwell ...
NASA X-57: Research, X-Planes, In Development (1) 2021 Armstrong Flight Research Center: Fully electric powered aircraft demonstrator. [49] MIT Daedalus. Fixed Wing Research, Human Powered Retired (1) 1988 Armstrong Flight Research Center: Museum of Science (Boston) NASA AD-1. Fixed Wing Research, Oblique Wing Retired (1) 1979 - 1982
The Lockheed Martin X-59 Quesst ("Quiet SuperSonic Technology"), sometimes styled QueSST, is an American experimental supersonic aircraft under development by Skunk Works for NASA's Low-Boom Flight Demonstrator project. [2]
Gulfstream X-54 – Supersonic boom intensity research and demonstration aircraft; Lockheed Martin X-55 – Advanced composites technology demonstrator; Lockheed Martin X-56 – Flutter suppression and gust load testing unmanned testbed; NASA X-57 Maxwell - Electric-powered light aircraft; Lockheed Martin X-59 QueSST - Low-boom supersonic aircraft
Only those designated after 1962 are listed here. Some aircraft did not have military sponsors, but since they were designated under the same sequence they are listed here. For aircraft in the sequence designated before 1962, see List of United States Air Force aircraft designations (1919–1962) § X: Special Research/Experimental (1948–1962).
The aircraft had previously made 16 flights with stiff wings to prove its operating envelope. [7] The second X-56A unmanned aircraft flew for the first time on 9 April 2015 while under operation by NASA. [8] The aircraft flew eight flights with the stiff wings to clear its operating envelope. [9]
The NASA X-57 Maxwell is an experimental aircraft being developed by NASA to demonstrate the technologies required to deliver a highly efficient all-electric aircraft. [142] The primary goal of the program is to develop and deliver all-electric technology solutions that can also achieve airworthiness certification with regulators.