Thursday, May 29, 2014

SpaceX unveils Dragon V2, its first manned spacecraft

Elon Musk and Dragon V2
Elon Musk unveils the Dragon V2 Tim Stevens/CNET

HAWTHORNE, Calif.--After years of development, SpaceX gave the public its first look Thursday at Dragon V2, a manned spacecraft it hopes will one day taxi astronauts to the International Space Station.

The spacecraft, the company's first designed to be piloted onboard, was unveiled by SpaceX founder and CEO Elon Musk during an event at the company's rocket factory here in Southern California. Similar in design to the company's robotic Dragon spacecraft that has made three resupply missions to deliver equipment and supplies to the ISS since 2007, Dragon V2 is intended to be flown by a crew of seven in a low-Earth orbit.

The Dragon V2 is designed to "land anywhere on Earth with the accuracy of a helicopter," Musk said before unveiling the spacecraft with a countdown and an animation video showing it undocking from the space station and returning to Earth with a pinpoint propulsive ground landing. The spacecraft is capable of docking with the space station autonomously or under pilot without the aid of the station arm, which is necessary for docking under the current version.

One of the advantages of the spacecraft's design trumpeted by Musk during the presentation was its ability to be rapidly reused, up to 10 times before needing servicing. After a soft, propulsive landing, propellants can be reloaded and the spacecraft ready to fly again, he said.

spacexland.jpg
SpaceX's Dragon V2 making a landing. SpaceX

"As long as we continue to throw away rockets and spacecraft, we will never have true access to space," Musk said, likening the situation to throwing away passenger jets after each flight. "It will always be incredibly expensive."

Musk said it still retains the parachutes of the previous model but will only deploy those chutes if the spacecraft detects an anomaly with the engines or the propulsion system before landing. The spacecraft can still land safely even if it loses two of its engines, Musk said. These engines are called SuperDraco, and are 16 times more powerful than the Draco engines found in the current version of Dragon.

Video of the presentation:

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