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How to Mount RC Servos

The heart of radio-controlled vehicles is the RC servo motor. There are many shapes and sizes of motors, but they all follow similar general mounting techniques. Mounting a servo motor can be done in three ways: gluing the servo casing directly to the vehicle's frame, attaching the servo with small screws using the mounting tabs, or purchasing a mounting plate and securing it with the included hardware.

Things You'll Need

  • For Glue Mounting Method:
  • Rotary tool with cutting wheel
  • Clear silicone glue
  • For Tab Mounting Method:
  • Cordless drill and bits
  • Rotary tool with cutting wheel
  • Servo mounting bracket
  • Small Phillips screwdriver
  • For Bracket Method:
  • Rotary tool with cutting wheel
  • Servo mounting hardware
  • Small Phillips screwdriver
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Instructions

  1. Glue Mounting

    • 1

      Identify the location that the servo motor should be mounted in. This information is usually found in the instruction booklet for the RC vehicle. Keep in mind that glue mounting is usually used for lightweight applications including the movement of non-essential parts. Rarely will a glue-only application be used for mounting drive wheels, propellers or lifting arms.

    • 2

      Dry fit the motor to the frame of the vehicle to make sure that it has enough clearance for proper performance. If the motor will come into contact with any part of the frame during use, mark the mounting location with a pencil and cut a hole in the frame with a rotary tool. This will act as a recessed area in which to mount the servo.

    • 3

      Mark the motor placement on the frame with a pencil, if a cut was not needed. This mark will serve as a reference point for placement of the servo once adhesive is applied.

    • 4

      Apply clear silicone glue to the back of the servo motor frame and press the motor into the marked area of the RC unit frame. Hold it in place for a few seconds to assure the glue is fully contacting the frame. Consult the directions on the silicone glue packaging to determine the cure time. If no cure time is given, let the glue dry for at least 12 hours before using the vehicle.

    Tab Mounting

    • 5

      Identify the location that the servo motor should be mounted in. This information is usually found in the instruction booklet for the RC vehicle.

    • 6

      Dry fit the motor to the frame of the vehicle to make sure that it has enough clearance for proper performance. Also ensure that the tabs and corresponding anchor holes are in proper alignment. Sometimes mass-produced RC vehicles have poorly placed tab holes. If this is the case, new holes will need to be drilled into the tabs, with the cordless drill.

    • 7

      Mark the motor placement on the frame, with a pencil.

    • 8

      Pre-drill the tabs so that there is a clean hole through which to insert the securing screws.

    • 9

      Place a dab of silicone glue on the back of the servo motor and press it into place. This will hold the motor in place while the screws are secured.

    • 10

      Secure the motor to the frame by screwing the provided hardware screws through the pre-drilled holes in the tabs making sure the screw anchors securely in the frame of the vehicle.

    Bracket Method

    • 11

      Identify the location that the servo motor should be mounted in. This information is usually found in the instruction booklet for the RC vehicle.

    • 12

      Place the servo motor inside the mounting bracket so that the edges of the servo motor are secured beneath the bracing bars. Make sure the servo mechanism is not impeded by the braces. Tighten the clamp screws on the bottom of the mounting bracket to secure the motor in place.

    • 13

      Dry fit the motor to the frame of the vehicle to make sure that it has enough clearance for proper performance. If the mounting bracket has made the servo motor too tall for the area where it must be installed, you will not be able to use a mounting bracket.

    • 14

      Mark the motor bracket placement on the frame, with a pencil.

    • 15

      Install the mounting bracket on the frame of the RC vehicle, using the hardware included with the bracket. The securing hardware usually consists of either a set of Phillips-head screws or a clamping mechanism that encircles a portion of the frame.


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