Rapid response to a high-speed, low-altitude, incoming missile imposes very stringent design requirements upon an air-defense missile. A successful solution has been devised by using a Jet-Vane Control (JVC) System for rapid launch maneuvering, minimizing weight penalties by using actuation elements of other missile components and making the jet-vane assembly detachable. A JVC System and method is illustrated for a surface air defense missile in which the system is compact, rugged, lightweight, and detachably connected to the aft end of a missile, adjacent to the rocket motor nozzle for the purpose of generating maneuvenug forces from vanes inserted into the propellant stream. The JVC provides for very quick pitch over and roll control during shipboard vertical launch. The JVC then detaches from the missile and falls away so as not to degrade the rocket motor specific impulse during missile flight to target. There are four vanes mounted at right angles to each other, each having its own mounting support and geartrain assembly. Each vane is connected through a detachable coupling to the Steering Control System (SCS) of the missile, such that actuation of the SCS simultaneously actuates the JVC system. The Evolved Sea Sparrow Missile (ESSM) Consortium primed by Raytheon Missile Systems (RMS), and partnered with British Aerospace (BAe) Systems in the SCS Integrated Product Team (IPT) successfully designed, analyzed, prototype developed and flight tested a Thrust Vector Control (TVC) System, based on the JVC concept for immediate incorporation into the current Engineering Manufacturing Development (EMD) effort. Empirical test data collected was found to correlate well with the analytical techniques used to predict vane performance parameters. The resultant TVC System was proven to be robust and capable of meeting the ESSM operational requirements with margin.


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    Title :

    Jet Vane Control System Prototype Hardware Development for the Evolved Seasparrow Missile


    Contributors:

    Publication date :

    1999


    Size :

    26 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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