Sentences with phrase «hypersonic ramjet»

Something that could be obtainable in a decade or two is using a hypersonic ramjet stage [an extremely fast type of jet engine] to get up to a very high speed in the atmosphere and then launching something from it into orbit.

Not exact matches

To reach hypersonic speeds, current systems will need to be replaced by what engineers call «air - breathing» systems, which could be achieved by scramjets (also called «supersonic - combustion ramjets»).

Faster — and quieter — airplanes NASA's hypersonics research is pushing aviation speed limits with ultrafast scramjets (supersonic combustion ramjet engines): In 2004, the agency's unmanned hypersonic X-43A craft briefly reached Mach 9.6 (about 7,000 miles per hour)-- a record for an air - breathing engine.