The technology already exsist in those ceramic oscillating fans. Uses a high powered version for the induct of a Ramjet. This will enamble a ramjet or even a scramjet to operate from 0m/s
-- SIVOLC, Jul 12 2004

Can you elaborate? Too sketchy to visualize. Perhaps some background?
-- RayfordSteele, Jul 12 2004


Hmm. How would the ultrasonic device be powered? For a scramjet, you'd need a power source capable of supplying a steady stream of supersonic air.
-- david_scothern, Jul 13 2004


I can't find anything online about those "ceramic oscillating fans". The description reminds me of synthetic jets, but I don't actually know how those work.

// For a scramjet, you'd need a power source capable of supplying a steady stream of supersonic air. //

Could it operate as a subsonic (inefficient) ramjet blown by this invention until it gets up to Mach 1 airspeed and then receives supersonic ram air?
-- notexactly, Jan 14 2016



random, halfbakery