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SpaceX successfully launches Falcon 1 to orbit (with video)
Posted on 29-Sep-2008 20:23. | Tags Filed under: News.

Space Exploration Technologies Corp. has succesfully launched and achiedved Earth orbit with Flight 4 of the Falcon 1 launch vehicle.

Falcon 1 became the first privately developed liquid fuel rocket to orbit the Earth.

“This is a great day for SpaceX and the culmination of an enormous amount of work by a great team,” said Elon Musk, CEO and CTO of SpaceX. “The data shows we achieved a super precise orbit insertion – middle of the bull’s-eye – and then went on to coast and restart the second stage, which was icing on the cake.”

Falcon 1, designed from the ground up by SpaceX, lifted off at 4:15 p.m. (PDT) / 23:15 (UTC) from the Reagan Test Site (RTS) on Omelek Island at the U.S. Army Kwajalein Atoll (USAKA) in the Central Pacific, about 2,500 miles southwest of Hawaii.

Preliminary data indicates that Falcon 1 achieved an elliptical orbit of 500 km by 700 km, 9.2 degrees inclination.

Falcon 1 carried into orbit a payload mass simulator of approximately 165 kg (364 lbs), designed and built by SpaceX, specifically for this mission. Consisting of a hexagonal aluminum alloy chamber, 1.5 meters (5 feet) tall, the payload remains attached to the second stage as it orbits Earth.

This was the fourth launch of the Falcon 1 launch vehicle and second flight for the new SpaceX-developed Merlin 1C regeneratively-cooled engine. A “hold before liftoff” system was used to enhance reliability by permitting all launch systems to be verified as functioning nominally before launch was initiated. A single SpaceX-developed Kestrel engine powered the Falcon 1 second stage.

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