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The vehicle design was intended to have about 20,000 kilometres (11,000 nautical miles) range and good subsonic and supersonic speed fuel efficiency, thus avoiding the problems inherent in earlier supersonic aircraft. The top speed is projected to be Mach 5+.
The LAPCAT A2 concept in the upper atmosphere. One possible supersonic transport aircraft being researched as part of this project is the A2 by Reaction Engines Limited . [ 7 ] The researchers are looking at an aircraft capable of flying from Brussels (Belgium) to Sydney (Australia) in 2–4 hours, [ 8 ] significantly reducing journey times ...
On 5 February 2008, the company announced it had designed a passenger plane to the concept stage. The LAPCAT A2 would be capable of flying, non-stop, halfway around the world at hypersonic speed (Mach 5+). [21]
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 ...
In order to test its Chimera engine, Hermeus needed to simulate the high-speed pressures of Mach 4 flight, so the company packed up its engine and shipped it to the Notre Dame Turbomachinery Lab ...
Airbus expects the hypersonic jet to reach speeds as high as Mach 4.5 -- or four and half times the speed of sound. Airbus patented a jet that could fly from London to NY in 1 hour Skip to main ...
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. [1]
The subsonic speed range is that range of speeds within which, all of the airflow over an aircraft is less than Mach 1. The critical Mach number (Mcrit) is lowest free stream Mach number at which airflow over any part of the aircraft first reaches Mach 1. So the subsonic speed range includes all speeds that are less than Mcrit.