New Sabre Air-Breathing Rocket Engine to Dramatically Cut Flight Times, Drastically Reduce Costs of Space Payloads (+video)

Photo Credit: Reaction Engines LtdImagine taking off from a runway like a normal aeroplane but flying so high and so fast that when you unclip your seatbelt, you float around the cabin. Look out of the windows: on one side is the inky blackness of deep space, while on the other is the electric blue of your home planet, Earth.

This is no joyride for a few brief minutes of space-tourism weightlessness. Instead you are three, five or even 10 times higher than those little hops. In front of you is your destination: a space station. Perhaps it is a hotel or a place of work. You are in low earth orbit – and you’ve got there in far less time than it takes for a transatlantic flight.

This is the promise of the spaceplane, and it took a step closer to reality yesterday. UK Minister for Universities and Science David Willetts confirmed the government’s £60m investment in Reaction Engines Ltd.

Spaceplanes are what engineers call single-stage-to-orbit (if you really want to geek out, just use the abbreviation: SSTO). They have long been a dream because they would be fully reusable, taking off and landing from a traditional runway.

By building reusable spaceplanes, the cost of reaching orbit could be reduced to a twentieth current levels. That makes spaceplanes a game changer both for taking astronauts into space and for deploying satellites and space probes.

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