Somewhere out in the California desert, a streamlined, aerodynamic behemoth woke up on April 13, 2019. It was Stratolaunch Systems' critical test flight for an airframe designed to launch rockets into space while in mid-air. The aircraft was a long time coming, the dream of Microsoft co-founder Paul Allen who died of Hodgkins Lymphoma in 2018.
After the plane's historic two-hour flight, Allen would have been proud to watch the mammoth plane land on the Mojave Desert test strip.
Stratolaunch's six-engine, 500,000-pound aircraft has a 385-foot wingspan and is designed to fly around 35,000 feet. In comparison, the largest aircraft used for civilian air travel is the Airbus A380-800, with a wingspan of 238 feet and weighing in at slightly more than the Stratolaunch.
"The flight itself was smooth, which is exactly what you want a first flight to be," said test pilot Evan Thomas. "It flew very much like we had simulated and like we predicted."
The previous record holder for largest aircraft ever flown was Howard Hughes' famed Spruce Goose, an eight-engine, wooden-framed plane that was less than half the weight of the Stratolaunch. Until April 13, it was the longest wingspan aircraft to ever fly.
"It was an emotional moment for me, personally, to watch this majestic bird take flight," said Stratolaunch CEO Jean Floyd.
Stratolaunch was founded in 2011, the brainchild of Allen, who originally also wanted to make the rockets the Stratolaunch planes would launch into low earth orbit. The company plans to do incremental tests of the airframe over the coming years, as they had done in previous years. Other small tests included engine tests and runway taxis before the April flight.
While the two-hour test flight was a success, not much else was conclusive save for a deal with Northrop Grumman to use Stratolaunch planes to put their Pegasus XL rockets into space. Who knows – these could be the early models of a Space Force troop transport. The skies are no longer the limit.
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