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Simulation of hypersonic speed (Mach 5) While the definition of hypersonic flow can be quite vague and is generally debatable (especially due to the absence of discontinuity between supersonic and hypersonic flows), a hypersonic flow may be characterized by certain physical phenomena that can no longer be analytically discounted as in supersonic flow.
In November 1961, Air Force Major Robert White flew the X-15 research aircraft at speeds over Mach 6. [4] [5] On 3 October 1967, in California, an X-15 reached Mach 6.7. [6] The reentry problem of a space vehicle was extensively studied. [7] The NASA X-43A flew on scramjet for 10 seconds, and then glided for 10 minutes on its last flight in 2004.
In the 21st century many Lazairs are still in use by private owners. As when first introduced, they remain prized for their handling qualities, if not their cruising speed. [12] In November 2007 the Canadian register still carried a total of 460 Lazairs of all models. [13]
The Gulfstream V (Model GV, pronounced "G-five") is a large, long-range business jet aircraft produced by Gulfstream Aerospace, derived from the previous Gulfstream IV.It flies up to Mach 0.885 (508 kn; 940 km/h), up to 51,000 feet (16,000 m) and has a 6,500 nmi (12,000 km) range.
After shutting the inlet cone off at Mach 5.14, and at an altitude of 28.5 km (17.7 mi), [3] the system continues as a closed-cycle high-performance rocket engine burning liquid oxygen and liquid hydrogen from on-board fuel tanks, potentially allowing a hybrid spaceplane concept like Skylon to reach orbital velocity after leaving the atmosphere ...
The rear control arm pivot points were lowered 1/2-inch on the upper end and 1/4-inch on the lower end for improved suspension geometry. In addition, quad shocks replaced the old-style traction bars and the rear anti-roll bar diameter increased to 0.79 inches (20 mm) compared to 0.67 inches (17 mm) in 1983.
Willows is a city and the county seat of Glenn County, California, located in the Sacramento Valley region of Northern California.The city is home to regional government offices, including the California Highway Patrol, the California Department of Motor Vehicles, the United States Bureau of Reclamation and the main offices of the Mendocino National Forest, which comprises about one million ...
It is represented by David Valadao, who formerly represented California's 21st congressional district from 2013 to 2019 and 2021 to 2023. As of 2025, this district is the most Democratic-leaning congressional district represented by a Republican, with a partisan lean of D+5. [ 2 ]