Ramjet engine equipped with a plurality of carburated air supply
Ramjet with adjustable working duct casings
Recirculatory System
Reinforced composite articles and method of making same
Robust EGR control for counteracting exhaust back-pressure...
Robust EGR control for counteracting exhaust back-pressure...
Rocket engine nozzle
Rocket engine nozzle having a notched diverging portion
Rocket engine nozzle with ejectable inserts
Rocket motor nozzle assemblies with erosion-resistant liners
Rocket nozzle system