How to Install Servos on an RC Plane

Written by larry simmons | 13/05/2017
How to Install Servos on an RC Plane
A model builder connecting an RC pushrod to the control horn on a wing (remote control aeroplane image by Greg Pickens from

Remote-controlled (RC) servos control all the maneuverability of an RC plane in flight. When properly installed and connected, the servos are what allow you to fly the plane via a remote. Installing the servos is a simple procedure requiring little more than placing them in a position from which they can push the rods that move the surfaces of your aircraft when required. It's those moving surfaces that alter the surface of the aircraft that the air flows around, generating movement.

Glue the control horns to the movable parts of the aeroplane using epoxy glue. The control horns are small plastic tabs with holes in them for attaching the pushrods from the servos.

Mark the placement for the servos on the fuselage. Best servo placement is included in the model manufacturer instructions.

Glue two strips of 1/8-inch light plywood to the fuselage where you'll attach the servos.

Screw the servos in place using the plywood strips to provide a solid anchor surface for the screws.

Push the hook on the end of a pushrod into the arm of the servo, and run the pushrod along the fuselage body to the control horn for the mobile part the servo to move. Hook the other end of the pushrod into the hole in the control horn to complete the connection. As you move the servos using the remote transmitter, the servo arm will move the pushrod, which, in turn, will move the aeroplane to which the rod is attached.

Things you need

  • Control horns
  • Epoxy glue
  • 1/8-inch plywood strips
  • RC servos
  • Screws
  • Pushrods

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