A multi-actuation system for a gas turbine engine , comprising: a first electrohydraulic servo valve ; a first actuator ; a first fluid line fluidically connecting the first electrohydraulic servo valve to the first actuator ; a second electrohydraulic servo valve ; a second actuator , wherein the first actuator and the second actuator are both hydraulic pistons , with each hydraulic piston comprising an extend side opposite a retract side ; a second fluid line fluidically connecting the second electrohydraulic servo valve to the second actuator ; a first ring fluidically connecting the first fluid line with the second fluid line ; a third fluid line fluidically connecting the first electrohydraulic servo valve to the retract side of the first actuator ; a fourth fluid line fluidically connecting the second electrohydraulic servo valve to the retract side of the second actuator , a second ring fluidically connecting the third fluid line with the fourth fluid line ; characterised by : a first flow restrictor disposed inside the first ring ; and a second flow restrictor disposed inside the second ring , wherein a cross-sectional flow area of the first ring at the first flow restrictor is smaller than a minimum cross-sectional flow area of the first fluid line and the second fluid line , and wherein a cross-sectional flow area of the second ring at the second flow restrictor is smaller than a minimum cross-sectional flow area of the third fluid line and the fourth fluid line . a first electrohydraulic servo valve ; a first actuator ; a first fluid line fluidically connecting the first electrohydraulic servo valve to the first actuator ; a second electrohydraulic servo valve ; a second actuator , wherein the first actuator and the second actuator are both hydraulic pistons , with each hydraulic piston comprising an extend side opposite a retract side ; a second fluid line fluidically connecting the second electrohydraulic servo valve to the second actuator ; a first ring fluidically connecting the first fluid line with the second fluid line ; a third fluid line fluidically connecting the first electrohydraulic servo valve to the retract side of the first actuator ; a fourth fluid line fluidically connecting the second electrohydraulic servo valve to the retract side of the second actuator , a second ring fluidically connecting the third fluid line with the fourth fluid line ; characterised by : a first flow restrictor disposed inside the first ring ; and a second flow restrictor disposed inside the second ring , wherein a cross-sectional flow area of the first ring at the first flow restrictor is smaller than a minimum cross-sectional flow area of the first fluid line and the second fluid line , and wherein a cross-sectional flow area of the second ring at the second flow restrictor is smaller than a minimum cross-sectional flow area of the third fluid line and the fourth fluid line . a first flow restrictor disposed inside the first ring ; and a second flow restrictor disposed inside the second ring , wherein a cross-sectional flow area of the first ring at the first flow restrictor is smaller than a minimum cross-sectional flow area of the first fluid line and the second fluid line , and wherein a cross-sectional flow area of the second ring at the second flow restrictor is smaller than a minimum cross-sectional flow area of the third fluid line and the fourth fluid line . <EOS>