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Hypersonic speed. CFD image of the NASA X-43A at Mach 7. In aerodynamics, a hypersonic speed is one that exceeds five times the speed of sound, often stated as starting at speeds of Mach 5 and above. [1]
Hypersonic flight is flight through the atmosphere below altitudes of about 90 km (56 mi) at speeds greater than Mach 5, a speed where dissociation of air begins to become significant and high heat loads exist. Speeds over Mach 25 have been achieved below the thermosphere as of 2020. [citation needed] Reentry vehicle (RV) after an 8,000 ...
A hypersonic weapon is a weapon capable of travelling at hypersonic speed, defined as between 5 and 25 times the speed of sound or about 1 to 5 miles per second (1.6 to 8.0 km/s). [ 1 ] Below such speeds, weapons would be characterized as subsonic or supersonic , while above such speeds, the molecules of the atmosphere disassociate into a ...
Supersonic speed is the speed of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level, this speed is approximately 343.2 m/s (1,126 ft/s; 768 mph; 667.1 kn; 1,236 km/h). Speeds greater than five times the speed of sound (Mach 5) are often referred to as hypersonic.
The Mako Multi-Mission Hypersonic Missile is a stand-off hypersonic missile developed by Lockheed Martin and CoAspire, specifically designed to fit in the internal weapons bay of the F-35A/C and F-22A. It is the first hypersonic weapon compatible with a fifth-generation fighter. The missile was unveiled in April 2024 at the Navy League ’s Sea ...
B-1B / B-52 / B-21 / F-15E [ 4 ] The AGM-183 ARRW ("Air-Launched Rapid Response Weapon") is [ 5 ] a hypersonic air-to-ground ballistic missile planned for use by the United States Air Force. Developed by Lockheed Martin, the boost-glide vehicle is propelled to a maximum speed of more than Mach 5 [ 6 ] by a rocket motor before gliding toward its ...
The Long-Range Hypersonic Weapon (LRHW), also known as Dark Eagle[ 8 ] is a intermediate-range surface-to-surface boost-glide hypersonic weapon being developed for use by the United States Army. The United States Navy intends to procure a ship/submarine-launched variant of the missile as part of the service's Intermediate-Range Conventional ...
26 May 2010. Retired. 2013 [citation needed] The Boeing X-51 Waverider is an unmanned research scramjet experimental aircraft for hypersonic flight at Mach 5 (3,300 mph; 5,300 km/h) and an altitude of 70,000 feet (21,000 m). The aircraft was designated X-51 in 2005. It completed its first powered hypersonic flight on 26 May 2010.