A ramjet design was conceived by this aircraft structure manufacturer for its XP-92 aircraft project. This was around 1948.

-In France, Leduc and Nord Aviation were also in this line of aircraft. See.

-The XP-92 also had four external rocket engines to act as liquid boosters.

"XP-92 scale model"

-It is characterized by a thick fuselage and in the glazed front cabin, there is the cockpit in the center of the annular air intake. In the following illustration we see a black dot marking the piston engine that drives the fuel pumps.

-The two black dots mark the outer booster engines.

"XP-92 schematic diagram"