Paris 2011: EADS Reveals the Futurist Mach-4 Zehst and Electrically Powered Voltair | Aviation International News

Paris 2011: EADS Reveals the Futurist Mach-4 Zehst and Electrically Powered Voltair

EADS has unveiled two new futuristic “Flightpath 2050” aircraft.

By Ian Sheppard

June 23, 2011

EADS has unveiled two new futuristic “Flightpath 2050” aircraft. The Zero Emission Hyper Sonic Transport (ZEHST) would fly above the atmosphere to avoid dumping pollutants in it, except for a relatively small amount during takeoff. The descent would be a unpowered glide, apart from restarting the engines for the final approach and landing. A steep climb on takeoff would leave a relatively small noise footprint around the airport.

Jean Botti, EADS’s enthusiastic chief technology officer, said, “ZEHST goes up to five kilometers [16,000 feet in altitude] to Mach 0.8 and then uses a rocket to get up to Mach 2.5. Then the ramjets take it to 23 kilometers [76,000 feet] and Mach 4 plus. So you can do Paris-Tokyo in 2.5 hours.”

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