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The A2 design does not have windows. The heat generated by the hypersonic airflow over the body puts constraints on window design which would make them too heavy. One solution Reaction Engines proposed was to install flat panel displays, showing images of the scene outside. [1]
LAPCAT (Long-Term Advanced Propulsion Concepts and Technologies) was a 36-month European FP6 study to examine ways to produce engines for a Mach number 4-8 hypersonic flight aircraft. The project ended in April 2008. [1] It was funded by the European Commission research and development fund (rather than ESA), and cost 7 million euros. [2] [3]
The second phase of the Hypersonic Weapon System development was to perform a set of flight tests with a series of boost-glide Hypersonic Technology Vehicles (HTVs). [12] HTV-1: a low performance hypersonic glider, originally planned to fly in September 2007, now canceled because it was found not possible to manufacture the leading edges. [13]
Higher speed designs using compression lift, waveriders, remain an interesting possibility for hypersonic vehicle designs, although only testbed models have been flown. [1] The Boeing X-51 (Waverider) also uses compression lift.
A Chinese aerospace firm has completed the first test flight of a passenger plane that it claims can fly at Mach 4 – more than twice the speed of Concorde.. Beijing-based Space Transportation ...
Project Mayhem, the Air Force's secret new hypersonic bomber, is underway. Development on the bomber, which travels at Mach 10, just took a big step forward.
The first manufactured object to achieve hypersonic flight was the two-stage Bumper rocket, consisting of a WAC Corporal second stage set on top of a V-2 first stage. In February 1949, at White Sands, the rocket reached a speed of 8,290 km/h (5,150 mph), or about Mach 6.7. [2]
X-15: Hypersonic Research at the Edge of Space; Hypersonics Before the Shuttle: A Concise History of the X-15 Research Airplane; The short film Research Project X-15 is available for free viewing and download at the Internet Archive. Non-NASA. X-15A at Encyclopedia Astronautica; X-15: Advanced Research Airplane, design summary by North America ...