Ramjet-X will also enable Hermeus to offer high-Mach Flight Test as a Service (FTaaS), expanding access to flight ...
The Gulfstream G550 is seriously fast, but newer aircraft from Bombardier, Gulfstream, and Dassault are faster, with some approaching the speed of sound.
Hermeus has unveiled its latest plans for the Quarterhorse supersonic aircraft, which will be used to launch a high-Mach test ...
The Aviationist on MSN
First to Mach 2: A look at the Douglas D-558 Skyrocket
Using both turbojet and rocket propulsion, the Douglas D-558 Skystreak and Skyrocket research aircraft set a series of speed ...
LOS ANGELES, Sept. 9, 2026 /PRNewswire/ -- Hermeus today announced it is developing Ramjet-X, a low-cost, expendable ramjet-powered vehicle designed for launch from its Quarterhorse aircraft. Once ...
Interesting Engineering on MSN
Hermeus gets FAA approval to test unmanned aircraft at supersonic speeds
Hermeus has secured approval from the Federal Aviation Administration (FAA) to fly its Quarterhorse ...
On June 5, NASA’s experimental X-59 plane went supersonic for the first time. The aircraft zoomed through the sky at a top speed of about 713 miles per hour, or Mach 1.1, and an altitude of 43,400 ...
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