Pyrotechnic article e.g. firework rocket installed in rocket launcher, has guide element which is provided for stabilizing trajectory of the pyrotechnic article such that the length of the guide element is varied

摘要

The pyrotechnic article (10,10-1) has a main portion (30) which is provided with a propellant charge portion (31). A guide element (20) is provided for stabilizing a trajectory of the pyrotechnic article such that the length (L) of the guide element is varied.