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Gaspar Xicoy LGC-25 User Manual

Electric landing gear controller and sequencer
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Electric Landing Gear controller and
sequencer
LGC-25
Users Guide.
Pl. Pere Llauger, Nau 18. 08360, Canet de
Mar,Barcelona,Catalonia,Spain
E-mail: isales@xicoy.com. web:
www.xicoy.com
Xicoy WEEE register number: ES004749 & DE 36558999
Copyright 2025, Xicoy Electronica SL. All Rights Reserved
©
Manual contents & design: Gaspar Espiell V1.0
1

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Summary of Contents for Gaspar Xicoy LGC-25

  • Page 1 LGC-25 Users Guide. Pl. Pere Llauger, Nau 18. 08360, Canet de Mar,Barcelona,Catalonia,Spain E-mail: isales@xicoy.com. web: www.xicoy.com Xicoy WEEE register number: ES004749 & DE 36558999 Copyright 2025, Xicoy Electronica SL. All Rights Reserved © Manual contents & design: Gaspar Espiell V1.0...

  • Page 2: Electrical Characteristics

    Table of contents: ELECTRICAL CHARACTERISTICS, Features:, 3...
  • Page 3 Features: -Direct control of 3 motors in bidirectional mode. Supports two different motor shut-off control systems (time and amperage) -Independent control electric brakes, fully proportional, lineal and pulsed mode. -Differential brake mode, to steer the model using the brakes. -Steering servo processor. The travel, sense and center of the steering servo can be adjusted.

  • Page 4: Mechanical Installation

    MECHANICAL INSTALLATION Thanks the small size and lightweight of the unit, it can be placed in any place on the model. We recommend a place where the wiring gears shorter possible to have a clean installation, but at same time accessible for programming. Screen orientation should be facing top to assure proper operation of the gyroscope.
  • Page 5 battery connected to the XT30 connector powers the motors and the brakes. The controller has an internal switch operated Gear Input power. necessary disconnect this battery between uses, but it is recommended to disconnect it after the flying session. There is a minimal power drawn from this battery when the unit is switched off that can drain a typical battery in a 2 month period.
  • Page 6 Electrical connections: Battery: Connect the battery to the XT30 yellow connector. Please double check polarity before connecting. Connection of Motors and brakes: Connectors close battery socket brakes polarity), central connectors are the main motors and the single connector is the nose gear motor. This device accepts the 3-pin style connectors used in our older controllers (used by several retract...
  • Page 7 Next to the receiver sockets there are the 8 sockets to connect the servos for the doors. In the pictures the servos are connected to output 1 and Touchscreen: Programing is done though the high resolution touch screen. The screen used is of high quality capacitive type and can recognize gestures, so navigation through different screen options is done by swiping left/right and up/down, similar to a smartphone.
  • Page 8 Diagnostics screen: Swiping down again the current errors sensed by the unit will be displayed. Adjustments screen: There are two ways to enter in the different adjustment sections. -By touching the center of any informative screen for over 2 seconds. -Through the button displayed on last informative screen.
  • Page 9 -Assign the proportional channel (slider, rotating know, etc) you want to use to control the brakes to a different receiver channel, and adjust the travel to be +100% to – 100%. Connect the selected receiver output to the Brake_In connector in the controller.
  • Page 10 and leave the device as new. So please, be careful and use it only as last option. Important: All changes done in the setup screens, except the radio, are stored permanently only when returning to the main screen. If power is removed before returning to main screen, all changes will be lost!.
  • Page 11 Programming the radio endpoints: Swipe left until the “radio setup” screen is displayed. On this screen you can see the readings of the pulse width sent by the transmitter, and the equivalent in the gear position and brake power. To start the radio adjustment procedure, touch the “radio setup” button.
  • Page 12 STEP2. Motors setup. The adjustment of the parameters of the motors is one of the most important adjustments to be done. recommendable connect only the radio and the main battery, leaving the motors disconnected until all adjustments are done. This device detects when motors have reached the end of their travel by checking the amperage used by each motor independently.

  • Page 13: Step3. Brake Setup

    Same as with the nose/tail retract motor, on this screen you can adjust the cut-off amperage of the main motors and reverse the operation if necessary Swipe down again and… this screen adjust voltage applied motors. useful necessary slow down motors, necessary to use a battery of higher voltage than the rated voltage of the motors.
  • Page 14 Steering mix: This function allow steering the model by the brakes, applying more force to the brake to the side the model must turn. This function is helpful to have steering capability while the nose wheel is in the air or in models with light weight nose wheel, warbirds...
  • Page 15 reverse the sense of movement of the servo, use a negative number on the gain, same to reverse the correction by the gyro. STEP 6. Servo door travel adjustment. Note: You can skip this step if you don’t use doors in your plane This device allows connecting up to 8 servos to control the landing gear doors.
  • Page 16 If the readings are below 60%, you may consider changing the mechanical links to have more servo travel and higher torque at the door. Specially check that the servo is not fighting against a hard stop, this would cause the servo to burn quickly. If possible, use an ampere meter to check the power used by the servos to assure that they are not mechanically overloaded.
  • Page 17 Touching the “Doors” buton you can define the state of each door in each step. Sequencer setup: Important: To avoid damage to the motors, doors or servos, please complete all previous steps before adjusting the sequencer. Suggestion: Initially don’t connect all servos and motors. Do little by little.
  • Page 18 On Step 1, select “open” the doors that should open first before any motor movement. If you need that a door opens later that the first one, then program the time to wait in the “step 1” screen and set the second door to “open” state in step2. You can use steps 3-4 for other door servos that should be operated later.

  • Page 19: Usb Connection

    USB connection: On the side of the device there is a USB-C connector that is used to save the settings, to copy the settings to the same or another unit (clone), to update the firmware and to change/personalize the image displayed on the initial screen. Download the Windows software from Xicoy website, connect first the unit to the computer using a standard USB-C cable, and launch software.

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