Airbus Perlan Mission II has set yet another new
world altitude record for a glider, this time soaring the
engineless Perlan 2 to 76,124 feet, in the process collecting
vital data on flight performance, weather and the atmosphere.
Sunday’s flight by pilots Jim Payne and
Tim Gardner surpasses even the maximum recorded altitude in level
flight of the U.S. Air Force’s famous U-2 Dragon Lady
reconnaissance aircraft: 73,737 feet, flown by pilot Jerry Hoyt on
17 April 1989.
The U-2 is powered by an engine that generates
17,000 lbs. of thrust. By contrast, the Perlan 2 is engineless,
weighs just 1,500 pounds, and soars to its record altitudes on
rare stratospheric air currents formed by mountain winds combining
with the Polar Vortex.
“World records are gratifying evidence
of progress toward a goal, but the goal itself is advancing our
knowledge and expertise,” said Tom Enders, Airbus CEO. “By
exploring an underexplored part of the atmosphere, Perlan is
teaching us about efficient high-altitude flight, about detecting
natural sources of lift and avoiding turbulence, and even about
the viability of wing-borne exploration of Mars. As a company that
makes not just airliners but also high-altitude unmanned aerial
vehicles such as Zephyr as well as the Mars rover robotic vehicle,
every Perlan flight is an investment in our future.”
In a
single week, Perlan has set and then surpassed a world altitude
record three times:
26 August 2018: Jim Payne and Morgan
Sandercock soar to 63,100 feet, besting the record of 54,000 feet
set by Airbus Perlan Mission II on 3 September 2017
28 August 2018:
Jim Payne and Miguel Iturmendi reach 65,600 feet
2 September 2018:
Jim Payne and Tim Gardner climb to 76,124 feet
The overall
altitude record for level flight of a manned airplane is held by
the SR-71 Blackbird at 85,069 feet. The pressurized Perlan 2
glider is designed to fly to 90,000 feet, conditions permitting.
Airbus Perlan Mission II will continue its 2018 flying season
through mid-September, when the season for stratospheric mountain
waves in the southern hemisphere begins to die down, and the
all-volunteer Perlan Project team will return from Patagonia to
homes in the U.S. and around the world. The number of flights
remaining will be determined by weather conditions.
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