Reaction control valve and system

Claim 1

A THRUST REACTION CONTROL VALVE, SAID VALVE COMPRISING A HOUSING HAVING A CHAMBER THEREIN AND A CENTER MEMBER, SAID CENTER MEMBER INCLUDING A MEMBER EXTENDING FROM ONE END OF SAID HOUSING, AN INLET AT THE OTHER END OF SAID HOUSING AND A RIBBED MEMBER EXTENDING ACROSS SAID CHAMBER AND FIXEDLY ATTACHED AT ITS ONE END TO SAID MEMBER AND ITS OTHER END TO SAID INLET; AN OPENING THROUGH A WALL OF SAID HOUSING, A PAIR OF VANES ROTATIVELY MOUNTED ACROSS SAID OPENING, AN OFFCENTER PROJECTION FIXEDLY ATTACHED TO ONE END OF EACH OF SAID VANES, A FIRST LEVER OPERABLY CONNECTED AT ONE END THEREOF TO SAID OFF-CENTER PROJECTION, A SECOND LEVER SLIDABLY MOUNTED ON SAID MEMBER AND OPERABLY CONNECTED TO THE OTHER END OF SAID LEVER, MEANS FOR AT TIMES SLIDING SAID SECOND LEVER ALONG SAID MEMBER FOR ROTATING SAID VANES IN SAID OPENING, A THIRD LEVER CONNECTED AT ITS ONE END TO AN END OF SAID HOUSING APART FROM THE CENTER THEREOF, A FOURTH LEVER PIVOTALLY CONNECTED AT ITS ONE END TO SAID THIRD LEVER, AND MEANS OPERABLY CONNECTED TO SAID FOURTH LEVER FOR AT TIMES ROTATING SAID FOURTH LEVER ABOUT THE AXIS OF SAID LAST MENTIONED MEANS FOR IN TURN ROTATING SAID HOUSING ABOUT SAID CENTER MEMBER.