{TAIL ~ A control system} for an array of {HEAD ~ propulsors}, wherein each propulsor comprises a primary actuator and a bar having a control tip, the array of propulsors aligned so that the control tips of the propulsors form a substantially continuous control surface, the control system composing: 
{ TAIL ~ A control system } for an array of { HEAD ~ propulsors } , wherein each propulsor comprises a primary actuator and a bar having a control tip , the array of propulsors aligned so that the control tips of the propulsors form a substantially continuous control surface , the control system composing :
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