The Mach 6 Scramjet Could Fly from JFK to SFO in an Hour (if it Doesn't…

We could have had Bin Laden in 1998. However, in the 80 minutes it took for a volley of cruise missiles travel from US ships in the Arabian Gulf over to his training camp in Afghanistan, he had done packed up and left. If those warheads had been riding on the new X-51 hypersonic jet engine, they'd have made his day… » 8/21/12 11:30am 8/21/12 11:30am

DARPA Unveils Details About the Mach 6 Vulcan Engine

How does one design a propulsion system that combines a full-scale turbine engine and a Constant Volume Combustion (CVC) engine that is capable of delivering 12,000 pounds of payload up to 9,000 nautical miles from the continental United States in less than two hours? DARPA has released new details on how they plan on… » 6/25/08 6:20pm 6/25/08 6:20pm