NEWS: Japanese want in on the Scramjet act

From: J Corbally (
Date: Thu Apr 26 2001 - 15:43:59 MDT

>Japan Hopes To Expand Commuter Distance
>by Peter Hadfield
>Tokyo - April 14, 2000 - A revolutionary jet engine was unveiled at a
>Tokyo aerospace show last week. Designed to power a new generation of
>commercial aircraft that will fly at five times the speed of sound, the
>Hypersonic Transport Propulsion System (HYPR) is the brainchild of Japan's
>New Energy and Industrial Technology Development Organization (NEDO), a
>branch of the Ministry of International Trade and Industry.
>The heavy industry divisions of Kawasaki, Mitsubishi and
>Ishikawajima-Harima have teamed up to develop the engine, which is made up
>of two types of jet engine mounted end to end: a turbojet in front and a
>ramjet at the back

I'd heard of this dual engine proposal before. Anyone here got any
expertise and can say whether this is a workable concept?


"If you can't take a little bloody nose, maybe you ought to go back home and
crawl under your bed. It's not safe out here. It's wondrous, with treasures
to satiate desires both subtle and gross. But it's not for the timid."
-Q, Star Trek:TNG episode 'Q Who'

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