Ten big facts about Virgin Galactic
The world’s first commercial spaceline is soon to launch. Here’s what you need to know
Posted: 16 Apr 2014
SpaceShipTwo uses a solid propellant rocket that generates around 70,000lb of thrust. Following its release from WhiteKnightTwo, SS2 drops for about 10 seconds, before the rocket is ignited and she begins the 60-second ascent from 50,000ft to more than 250,000ft. During this time she'll pull around 3g travelling at Mach 3.