The generator has combustion initiators (68, 69) arranged in contact with first and second solid propellant charges (66, 67) to initiate combustion of the charges by surfaces (S1, S2) defined by a central channel (611) and another central channel, respecti...

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...