Impingement pressure regulator.

摘要

Apparatus for launching a projectile (10) which has a nozzle (16) for emitting gas during launch, said apparatus comprising means (11) for supporting a projectile and a chamber having an orifice (19) positioned to receive some or all of a jet from the projectile nozzle (16) wherein the chamber is configured so that pressure is developed therein to provide an additional boost to the projectile during launch.