World's Largest-ever Airplane Does First Runway Roll
It weighs 500,000 pounds, more than the biggest 747. At 385 feet, its wingspan is longer than a football field.
And now the giant Stratolaunch — the largest plane ever built and Microsoft co-founder Paul Allen’s project to lift rockets into the stratosphere before they are launched into space — is on the move.
In video released by Allen, the twin-fuselage behemoth can be seen barreling down a runway at California's Mojave Air & Space Port, reaching a speed of 46 mph in a taxiing and ground-handling test.
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