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VSS ''Enterprise'' conducted its first powered flight on 29 April 2013,<ref name=EnginesIgnited>{{cite web|url=https://www.bbc.co.uk/news/science-environment-22344398|title=Sir Richard Branson's Virgin Galactic spaceship ignites engine in flight|publisher=BBC|date=29 April 2013|access-date=29 April 2013}}</ref> |
VSS ''Enterprise'' conducted its first powered flight on 29 April 2013,<ref name=EnginesIgnited>{{cite web|url=https://www.bbc.co.uk/news/science-environment-22344398|title=Sir Richard Branson's Virgin Galactic spaceship ignites engine in flight|publisher=BBC|date=29 April 2013|access-date=29 April 2013}}</ref> |
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marking the first flight test of RocketMotorTwo. The test was a 16-second burn as planned, and was ignited at an altitude of {{convert|47000|ft}}, shortly after ''Enterprise'' was released from its WhiteKnightTwo carrier aircraft and the pilots cross-checked data and verified stable control. The RM2 control system opened the main oxidizer valve and fired the igniters inside the fuel case. The burn was completed at an altitude of {{convert|55000|ft}}, by which point ''Enterprise'' was [[supersonic]], achieving {{convert|1.2|Mach| |
marking the first flight test of RocketMotorTwo. The test was a 16-second burn as planned, and was ignited at an altitude of {{convert|47000|ft}}, shortly after ''Enterprise'' was released from its WhiteKnightTwo carrier aircraft and the pilots cross-checked data and verified stable control. The RM2 control system opened the main oxidizer valve and fired the igniters inside the fuel case. The burn was completed at an altitude of {{convert|55000|ft}}, by which point ''Enterprise'' was [[supersonic]], achieving {{convert|1.2|Mach|55,000|sigfig=2}}. SNC stated after the test that "The rocket motor ignition went as planned, with the expected burn duration, [and] good engine performance."<ref name=pa20130429sn> |
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{{cite news |last=Messier|first=Doug |title=SNC: Yeah, We Lit that Candle and it Worked, Baby! |url=http://www.parabolicarc.com/2013/04/30/snc-yeah-we-lit-that-candle-and-it-worked-baby/ |access-date=19 May 2013 |newspaper=Parabolic Arc |date=29 April 2013 }}</ref> |
{{cite news |last=Messier|first=Doug |title=SNC: Yeah, We Lit that Candle and it Worked, Baby! |url=http://www.parabolicarc.com/2013/04/30/snc-yeah-we-lit-that-candle-and-it-worked-baby/ |access-date=19 May 2013 |newspaper=Parabolic Arc |date=29 April 2013 }}</ref> |
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