Friday, August 1, 2014

A new glider to flirt with space

A new glider to flirt with space
Joel Ignasse By Joel Ignasse
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Posted on 01-08-2014 at 3:08 p.m.
The project plans to launch a glider at high altitude, to the stratosphere from 2016.

The Perlan I, still holds the world record altitude.  AP Photo / Elaine Thompson The Perlan I, still holds the world record altitude. AP Photo / Elaine Thompson

PERLAN . It's almost a spaceship. The Perlan II, a joint project by the aircraft manufacturer Airbus and the Perlan Project (a group that brings together old drivers) will be the plane that will fly the highest in the sky ... in 2016 hopefully.

Crossing the troposphere and soar into the stratosphere
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The future will evolve glider at an altitude of 27 km is in the middle of the stratosphere, the second layer of Earth's atmosphere that extends above the troposphere whose limit was 15 km altitude. So high in the air, the glider will face violent updrafts and as it is expected to do around the world it will also face the polar vortex.

March . In fact, the Perlan II will fly in a similar one would find in the sky of Mars environment. In the stratosphere, the air density reaches just 2% of the density at sea level and it also frois that above the red planet. To keep its lift and maintain flight in this almost empty, the aircraft must travel at high speeds close to those of his or supersonic. The fuselage must be strong enough to withstand the shock waves generated by crossing the sound barrier, yet light enough to fly. The engineers will work on new aerodynamic concepts to overcome these constraints.

According to preliminary information, the Perlan II should weigh 800 pounds in a size of 10 meters long and thirty meters span. In 2006, a version of the glider preière the Perlan I, piloted by Steve Fossett, American businessman and adventurer who has stepped aeronautical feats (man with a round the world non-stop ), beat the world record altitude by up to 15 447 meters.

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