Debrief: Hyper-X

Scramjet power? Simple: Keep a match lit in a 7,000-mph wind.

Flying doorstop: The wedge shape of the X-43 compresses air entering the engine. This computational fluid dynamics image shows the vehicle's pressure gradients at Mach 7. (NASA Dryden)
Air & Space Magazine | Subscribe

(Continued from page 4)

About Michael Milstein

Michael Milstein is a freelance writer who specializes in science. He lives in Portland, Oregon.

Read more from this author

Comment on this Story

comments powered by Disqus