The Leduc 0.10 was a research aircraft built in France, one of the world's first aircraft to fly powered solely by a ramjet.
Leduc 0.10
A ramjet is a form of airbreathing jet engine that requires forward motion of the engine to provide air for combustion. Ramjets work most efficiently at supersonic speeds around Mach 3 and can operate up to Mach 6.
An AQM-60 Kingfisher, the first production ramjet to enter service with the US military
Upper engine is a ramjet on the Bloodhound missile
Leduc 010
Bristol Thor ramjet modified for display purposes. Two Thor engines were used on the Bristol Bloodhound missile