Quote:
Originally Posted by kach22i
I'm sure at some time in the past some testing facility modeled or tested a turbo-fan with the fan removed using only the center turbine part.
This would be a jet engine with shrouded air cavity where air could be squeezed or expanded depending on velocity and pressure desired when it merges with the jet gasses at the end. Sort of a Ram Jet but not quite.
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You're essentially describing the J58 engine in the A12 / YF-12 / SR-71 Blackbird ...