HEADLINE NEWS
SCRAMJET TESTS HIT MARK
NEW YORK A large-scale scramjet developed under the U.S. National Aero-Space Plane program has exceeded performance expectations in ground tests conducted at NASA's Langley Research Center. Based on preliminary results of tests run under conditions simulating flight speeds in excess of Mach 6, thrust levels developed by the hydrogen-fueled Concept Demonstration Engine, or CDE, are about 10% higher at specific fueling conditions than were expected, U.S. Air Force Col.
By STANLEY W. KANDEBO