An aircraft power generating assembly (1) having a mechanical gear transmission (12), and an electric machine (13) integrated in the mechanical transmission (12); the electric machine (13) having a stator (28) connected directly to a fixed frame (10) of th...

In a solid-propellant engine (1), a variable-throat nozzle (6) has a conduit (10) for conducting the gases produced by combustion of a solid propellant, and a choke device (16) for varying a reference section (11) of the conduit; the choke device (16) in t...

In a solid-propellant engine (1), a casing (2), defining a chamber (4) for a mass of solid propellant (5) ignitable to produce a stream of propulsion gas, has at least one wall (10, 31, 32) made of plastic material and having a degradation temperature lowe...

A tank (1) containing a solid propellant (2) defining a combustion cavity (13) communicating externally through an end opening (10) of the tank is produced using a tool (12) having a rigid, strip-down plug (23), which is larger transversely than the openin...