L.A. to Sydney in 3 hours? Could be, with a space-grazing hypersonic jet.
The passenger craft would achieve Mach 5 speeds 鈥� that鈥檚 five times the speed of sound 鈥� while flying just at the edge of space.
The passenger craft would achieve Mach 5 speeds 鈥� that鈥檚 five times the speed of sound 鈥� while flying just at the edge of space.
A new jet concept promises to take passengers halfway across the world in a few hours. But could it?
Imaginactive, a non-profit think tank founded by Canadian engineer and angel investor Charles Bombardier, has revealed a new hypersonic jet concept called Paradoxal. In theory, the passenger craft would achieve Mach 5 speeds 鈥� that鈥檚 five times the speed of sound 鈥� while flying just at the edge of space. This would cut down travel times significantly, completing the 14 hour flight from Los Angeles to Sydney in just 3 hours.
鈥淚t鈥檚 obvious the world hungers for a quantum leap in faster global passenger transportation, and the Paradoxal aims to inspire the next generation of engineers and scientists in dreaming and building it in a not too distant future,鈥� Mr. Bombardier, grandson of snowmobile pioneer Joseph-Armand Bombardier, wrote in The Globe and Mail.
The aircraft would be powered to Mach 3 by two rotary ramjet engines, which use forward motion to compress incoming air and create thrust. Then, at around 60,000 feet, the engines would be converted to internal-combustion rockets, bringing Paradoxal to sub-orbit at hypersonic speeds. The wings would be equipped with 鈥淟ong Penetration Mode nozzles鈥� to boost speed and help cool the craft on re-entry.
The jet, like many of Imaginactive鈥檚 concepts, isn鈥檛 in active development. But the idea is an attractive one, coinciding with a boom in aerospace technology. Private manufacturers, for example, are inching closer than ever toward viable space tourism and sub-orbital travel industries. The US military has also pushed the development of hypersonic technologies 鈥� not for travel, but for weaponry.
The X-51A Waverider, an unmanned scramjet aircraft developed by Boeing, struggled for success until 2013, when it sustained Mach 5 flight for more than three minutes. The US Air Force intends to incorporate the technology into hypersonic missiles by the mid-2020s.
Rowena Lindsay for聽海角大神 reported:
These weapons, with unmatched speed and accuracy, would allow the military to carry out time-sensitive strikes. China and Russia have since launched their own programs in an effort to compete with American hypersonic technologies. Some observers worry that hypersonic missiles could inflame an international arms race, or that foreign nations might confuse them for nuclear weapons strikes.