Virgin Galactic says Scaled Composites is on track to attempt the first suborbital flights of the SpaceShipTwo (SS2) space tourist vehicle in 2012 following a successful full-duration firing of the Sierra Nevada RM2 rocket motor. Recent rocket and SS2 glide tests are encouraging and point the way to integration of the hybrid motor with the suborbital space vehicle early next year, declares Virgin Galactic President/CEO George Whitesides. Powered flight tests will begin with 15-sec. ...


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