The test helps advance innovative hypersonic engine development.
in recent years, forcing the U.S. Department of Defense to rush to field America's first operational hypersonic weapon.
These types of hypersonic weapons will grant a new range of capabilities based on the levels of speed and maneuverability they offer, enabling them to evade many modern defense systems. For that reason, the advent of hypersonic weapons also means thatThat's where the tests of HAWC and other prototypes come in. HAWC is a project to develop an air-launched hypersonic missile. Prior to launch, the missile sits atop a rocket booster and is carried underneath a 'mothership' aircraft.
The NASA X-43A hypersonic research vehicle and its Pegasus booster rocket, mounted beneath the wing of their B-52 mothership, had a successful first captive-carry flight on April 28, 2001. HAWC is propelled by a type of air-breathing engine known as a scramjet . This type of engine uses its own speed and geometry to compress incoming air, and combusts its fuel in supersonic airflow. Scramjets can therefore reduce overall aircraft weight in that they do not have to carry onboard oxidizers and have fewer parts than other types of jet engines that require turbines for compression.
A still from a Mach 7 wind tunnel test of NASA's full-scale X-43A scramjet engine in Langley Research Center's 8-Foot High Temperature Tunnel.
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