Retractible air inlet screen for aircraft gas turbines
Reversible thrust ducted fan propulsion unit
Rocket boosted target
Rocket engine
Rocket engine and method for controlling combustion in the...
Rocket engine cooling system
Rocket engine having guide vanes in the nozzle of the engine
Rocket exhaust plenum flow control apparatus
Rocket in-tube spin device and rear sabot
Rocket in-tube spin device and rear sabot
Rocket motor
Rocket motor or gas generator having controlled thrust or...
Rocket motor thrust vector control means
Rocket motors
Rocket motors
Rocket motors
Rocket motors having angularly movable exhaust nozzles
Rocket motors with insensitive munitions systems
Rocket nozzle assembly
Roll control for aircraft, particularly flying barrels,...