{"product_id":"jp-hobby-combined-controller-v1-v2-with-brake-module-for-er-120-electric-retracts","title":"JP Hobby Combined Retract Controller V1\/V2 with Brake Module for ER-120 Electric Retracts","description":"\u003ch2\u003eJP Hobby Combined Retract Controller V1\/V2 with Brake Module for ER-120 Electric Retracts\u003c\/h2\u003e\n\n\u003cp\u003eThe JP Hobby Combined Retract Controller is an all-in-one control module for JP Hobby ER-120 electric retract systems. It combines retract control, gear door sequencing, and brake control into one compact controller for cleaner wiring and more realistic landing gear operation.\u003c\/p\u003e\n\n\u003cp\u003eThis ER-120 version ships configured for JP Hobby ER-120 retract systems. During initial setup, connect all three retract units and cycle the landing gear three complete times. The controller will identify and record the locked-rotor current of the connected retract motors for reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory configured for JP Hobby ER-120 electric retract systems\u003c\/li\u003e\n  \u003cli\u003eControls retracts, gear doors, and brakes from one module\u003c\/li\u003e\n  \u003cli\u003eIntegrated brake module\u003c\/li\u003e\n  \u003cli\u003eSupports up to 3 independent gear door servo channels\u003c\/li\u003e\n  \u003cli\u003eV1 and V2 gear door sequencing modes\u003c\/li\u003e\n  \u003cli\u003eAdjustable gear door servo direction\u003c\/li\u003e\n  \u003cli\u003eAutomatic supply voltage detection\u003c\/li\u003e\n  \u003cli\u003eDesigned for 2S LiPo power input\u003c\/li\u003e\n  \u003cli\u003eIdeal for turbine jets, large EDF jets, and scale aircraft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eController Type\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eCombined retract controller with brake module\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eCompatible Retracts\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eJP Hobby ER-120 electric retract systems\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e2S LiPo \/ 7.4V-8.4V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eDoor Servo Outputs\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e3 channels\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eBrake Output\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e2 channels\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eDoor Modes\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eV1 and V2 selectable\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eV1 vs V2 Door Sequencing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV1 Mode:\u003c\/strong\u003e Gear doors open, landing gear extends, and the doors remain open while the gear is down.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV2 Mode:\u003c\/strong\u003e Gear doors open, landing gear extends, and the doors close again after the gear is down.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInitial ER-120 Setup\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect all three ER-120 retract units to the controller.\u003c\/li\u003e\n  \u003cli\u003ePower the system using the recommended 2S LiPo input.\u003c\/li\u003e\n  \u003cli\u003eCycle the landing gear three complete times.\u003c\/li\u003e\n  \u003cli\u003eThe controller will identify and store the locked-rotor current of the ER-120 retract motors.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eGear Door Programming\u003c\/h3\u003e\n\u003cp\u003eEach of the three gear door channels can be configured independently for door position and servo direction.\u003c\/p\u003e\n\n\u003ch4\u003eV1 \/ V2 Position Setup\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003ePress and hold the \u003cstrong\u003eMode\u003c\/strong\u003e button for approximately 5 seconds.\u003c\/li\u003e\n  \u003cli\u003eThe red LED indicates V1 setup mode.\u003c\/li\u003e\n  \u003cli\u003ePress the Mode button again to switch to V2 setup mode, indicated by a blue LED.\u003c\/li\u003e\n  \u003cli\u003eIf no button is pressed for a few seconds, the controller automatically advances to the next channel.\u003c\/li\u003e\n  \u003cli\u003eAfter all three channels are configured, the controller exits setup mode automatically.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eServo Direction Setup\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003ePress and hold the \u003cstrong\u003eMode\u003c\/strong\u003e button for approximately 10 seconds.\u003c\/li\u003e\n  \u003cli\u003eThe controller enters servo direction setup mode.\u003c\/li\u003e\n  \u003cli\u003ePress the Mode button to reverse the selected gear door servo direction.\u003c\/li\u003e\n  \u003cli\u003eIf no button is pressed for a few seconds, the controller automatically advances to the next channel.\u003c\/li\u003e\n  \u003cli\u003eAfter all three channels are configured, the controller exits setup mode automatically.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDo not power retracts directly. Always use the controller.\u003c\/li\u003e\n  \u003cli\u003eDo not hot-plug connectors while the system is powered on.\u003c\/li\u003e\n  \u003cli\u003eIf an LED remains lit after operation, power off immediately and check the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eJP Hobby ER-120 retract installations\u003c\/li\u003e\n  \u003cli\u003eTurbine jets\u003c\/li\u003e\n  \u003cli\u003eLarge EDF jets\u003c\/li\u003e\n  \u003cli\u003eScale aircraft with functional gear doors\u003c\/li\u003e\n  \u003cli\u003eAircraft requiring integrated brake control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eJP Hobby Combined Retract Controller for ER-120\u003c\/li\u003e\n  \u003cli\u003eConnection lead as shown\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOne controller handles ER-120 retracts, gear doors, and brakes for a cleaner, more realistic landing gear installation.\u003c\/strong\u003e\u003c\/p\u003e","brand":"JP Hobby","offers":[{"title":"Default Title","offer_id":48357367611614,"sku":"JP-ER-120_RC","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/jphobbyretractcontroller.png?v=1782143908","url":"https:\/\/www.gator-rc.com\/products\/jp-hobby-combined-controller-v1-v2-with-brake-module-for-er-120-electric-retracts","provider":"Gator RC","version":"1.0","type":"link"}