Cape Town – Sir Richard Branson and the Virgin group have come under fire over the past few days, after Virgin Galactic SpaceShipTwo crashed during a test flight over the Mojave desert on Friday.
The accident was fatal, killing the co-pilot and leaving the pilot, who ejected himself from the aircraft, seriously injured.
The crash of the vehicle, undergoing its first powered test
flight since January over the Mojave Desert, 150 km north of Los Angeles, came
days after another commercial space company, Orbital
Sciences Inc, lost a rocket in an explosion in Virginia moments after
liftoff, Reuters reports.
Also see: PICS – Virgin Galactic spaceship test ends in fatal crash
The accidents have put the risks connected to commercial
space travel in the spotlight, begging the question if the world is really
ready for this big next step in travel.
Branson has vowed to find out just what caused the fatal accident, saying that they owe it to their pilots to find out exactly what went wrong.
In the meantime a few interesting facts have emerged over the weekend, some which you may not have been aware of before, or have forgotten.
Take a look:
They were testing a new type of fuel
According to Reuters, the Virgin probe will likely focus on SpaceShipTwo's rocket engine, which was flying with a new type of fuel – containing nitrous oxide aka laughing gas – for the first time.
The company had announced in May that they were replacing the rubber-based propellant they were using in their earlier test flights, in order to get better performance.
FlightClub reports that Virgin Galactic had been warned about using nitrous oxide fuel in their rockets, with one expert even saying that she was shocked by the accident, but not so much surprised.
Carolynne Campbell-Knight, a rocker propulsion expert from the
International Association for the Advancement of Space Safety (IAASS) said that
she had contacted Virgin Galactic four years ago to caution them against the
use of laughing gas. She had apparently warned them that nitrous oxide had the
tendency to combust completely unexpectedly, The Independent reports.
Also see: Branson vows to find cause of spaceship crash
Virgin Galactic is
working on another spacecraft
While the investigation into SpaceShipTwo’s crash could take up to a year, Virgin Galactic is in the process of building another spacecraft, which is 65% ready.
Time reports that the new aircraft has been under construction for the past three years and could be ready for its first test flight next year, soon after Virgin Galactic wraps up the investigation into SpaceShipTwo.
The 2007 deadly Virgin Galactic explosion
The fatal crash over the desert, has brought to mind once more another fatal explosion that happened in 2007.
AP reports that the explosion had killed three people on the
ground and critically injured three others during a ground test in the
development of a rocket engine for SpaceShipTwo.
Also see: Branson’s rocketry goal is long-distance travel
In a critical report put together about the incident,
experts said that the public had never been fully informed about what happened.
One of the report’s co-authors, Geoff Daly, said that he had written a letter in June 2013 advising Federal Aviation Administration to put a hold on an experimental flight permit for SpaceShipTwo to ensure the safety of personnel.
Campbell-Knight happened to be the other co-author of the report and she said in a statement on her website after Friday's accident, that "if the truth about the 2007 accident had come out," the explosion that destroyed SpaceShipTwo "would probably not have happened."