X-43A is Ready for Testing - Universe Today
NASA has scheduled March 27 for the next flight for the experimental X-43A research vehicle. The unpiloted 4-metre prototype will be carried to supersonic speeds on the front of a Pegasus rocket. It will then fly under its own power using an air-breathing scramjet engine to reach Mach 7. A scramjet scoops oxygen from the air as it flies, and uses this to combust its fuel. This is the second test of a X-43A prototype; the first was destroyed because of a problem with the Pegasus booster.
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