In fact the second stream of a turbofan jet engine doesn't mean anything else than a stream of pressurized air: no supercharger stage, no combustion chamber and no turbine stage... Is it not a kind of waste to leave this second stream of air absolutely unused? In this pressurized fresh air you could also burn fuel - that means an "afterburner" or "forsage" not after the first stream but around it...
The result is an air-breathing rocket-engine: very simple, reliable and powerful... This solution could be much more space-efficient than carrying rocket-engines on their own on the airplane (compact) and the separation of the first and second air-streams within the same jet engine could mean a better usage of the newly developed "zig-zags" at the end of the nozzles (more strength and less noise)...
A transatlantic crossing (I mean: space-time jump) between Paris or London and New York within 30 minutes? Not a dream any more... Reaching Sydney from New York in 1 hour? This could boost economical and social development... You could connect any 2 major city pairs faster at Mach 15 than some suburbs with the metropolis...
The eternal question of the Overhead Space Utilization or SkyLoft could be solved at such high speeds by a beautiful panoramic roof - providing with a view both to the quickly rushing landscape underneath the airliner and to the sky with many visible stars even at daytime...
"There is always more Boeing 747 before us than behind us..." (JDLM)
Best wishes, Joseph de la Mikula and Team
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