SpaceShipTwo: razlika između inačica

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Planirano je napraviti pet SS2 koji će biti namijenjeni za [[privatni svemirski let|privatni putnički promet]],.<ref name=April2013Test>{{cite web |url=http://www.hispanicbusiness.com/2013/4/4/space_ship_completes_24th_test_flight.htm |title=Space Ship Completes 24th Test Flight in Mojave |publisher=HispanicBusiness.com |date=2013-04-04 |accessdate=2013-04-05}}</ref><ref name=SpaceCom2013>{{cite web |url=http://www.space.com/16057-virgin-galactic-spaceshiptwo-launches-2013.html |title=Virgin Galactic to Launch Passengers on Private Spaceship in 2013 |publisher=Space.com |date=2012-06-08 |accessdate=2012-06-11}}</ref><ref name=Start2013>[http://www.bbc.co.uk/news/technology-15460935 "Virgin Galactic space tourism could begin in 2013"]. [[BBC]]. 26. listopada 2011.</ref><ref>{{cite news |url=http://www.nytimes.com/2008/01/23/science/space/23cnd-spaceship.html?hp |title=New Tourist Spacecraft Unveiled |accessdate=2008-01-23 |author=John Schwartz |work=New York Times |date=putnike i teretni }}</ref> Već neko vrijeme prima rezervacije, a cijena suorbitalnog leta iznosi 200.000 američkih dolara.<ref>[http://www.virgingalactic.com/booking/ Booking]. Virgin Galactic. Preuzeto 21. prosinca 2012.</ref> Do danas napravljena su dva: [[VSS Enterprise]] (koji je uništen u padu 31. listopada 2014.) i [[VSS Voyager]] za kojeg se predviđa da će biti u funkciji 2015. godine. Predviđena je mogućnost da bi mogli nositi osoblje i teret za znanstvene svrhe za NASU i druge organizacije. <ref name=DoingScience>{{cite web |url=http://www.bbc.co.uk/news/science-environment-20500194 |title=Virgin spaceship aims to be science lab |publisher=BBC |date=2012-12-04 |accessdate=2012-12-04}}</ref>
 
Tijekom testnog leta [[31. listopada]] [[2014.]] prvi SS2 [[VSS Enterprise|VSS ''Enterprise'']] [[pad VSS Enterprisea|prelomio]] se usred leta i pao u pustinju Mojave. <ref name="NYT-20141031-KC">{{cite news |last=Chang |first=Kenneth |last2=Schwartz |first2=John |title=Virgin Galactic’s SpaceShipTwo Crashes in New Setback for Commercial Spaceflight |url=http://www.nytimes.com/2014/11/01/science/virgin-galactics-spaceshiptwo-crashes-during-test-flight.html |date=2014-10-31 |work=New York Times |accessdate=2014-11-01}}</ref><ref name=sn20141031>{{cite news |last1=Foust |first1=Jeff |title=SpaceShipTwo Destroyed in Fatal Test Flight Accident |url=http://www.spacenews.com/article/launch-report/42391spaceshiptwo-destroyed-in-fatal-test-flight-accident |accessdate=2014-10-31 |work=Space News |date=2014-10-31 |access-date=26. prosinca 2014. |archive-url=https://archive.today/20141031195325/http://www.spacenews.com/article/launch-report/42391spaceshiptwo-destroyed-in-fatal-test-flight-accident |archive-date=31. listopada 2014. }}</ref><ref>{{cite web |title=Virgin Galactic's SpaceShipTwo Crashes During Flight Test |date=2014-10-31 |url=http://www.nbcnews.com/storyline/virgin-voyage/virgin-galactics-spaceshiptwo-crashes-during-flight-test-n238376}}</ref><ref name="Durden310Oct14">{{cite news |url=http://www.avweb.com/avwebflash/news/Virgin-Galactics-SpaceShipTwo-Crashes223025-1.html |title=Virgin Galactic’s SpaceShipTwo Crashes |accessdate=2014-10-31 |last=Durden |first=Rick |date=2014-10-31 |work=AVweb}}</ref> Preliminarna ispitivanja daju nalaze koji sugeriraju da je sustav ulaska bio uzrok, odnosno da se prerano otvorio brodski uređaj za spuštanje.<ref name="NYT-20141103-KC">{{cite news |last=Chang |first=Kenneth |title=Investigators Focus on Tail Booms in Crash of Space Plane |url=http://www.nytimes.com/2014/11/04/business/international/virgin-galactic-plane-tail-booms-focus-of-investigation.html |date=2014-11-03 |work=[[New York Times]] |accessdate=2014-11-03}}</ref><ref name="APN-20141103-BM">{{cite news |last=Melley |first=Brian |title=Spaceship's descent device deployed prematurely |url=http://apnews.excite.com/article/20141103/us--space_tourism-e62024cd1f.html |date=2014-11-03 |work=[[AP News]] |accessdate=2014-11-03}}</ref> Jedan je pilot poginuo, a drugi je pretrpio tešku ozljedu ramena<ref name=dn20141103>
{{cite news |last1=Klotz |first1=Irene |title=SpaceShipTwo's Rocket Engine Did Not Cause Fatal Crash |url=http://news.discovery.com/space/private-spaceflight/spaceshiptwos-rocket-engine-did-not-cause-fatal-crash-141103.htm |accessdate=2014-11-03 |work=Discovery News |date=2014-11-03}}</ref> nakon što je padobranski padao s 50.000 stopa visine.<ref name="spaceflightnow.com">{{cite web |title=Virgin Galactic’s SpaceShipTwo rocket plane crashes |date=2014-10-31 |url=http://spaceflightnow.com/2014/10/31/virgin-galactics-spaceshiptwo-suffers-anomaly-during-test-flight/}}</ref> Drugi SpaceShipTwo [[VSS Voyager|VSS ''Voyager'']] je u izgradnji.