How to find the center of balance point on a RC plane

Written by george lawrence
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How to find the center of balance point on a RC plane
Check the balance of your plane before trying to fly it. (Rc plane about to take off image by macegraphics from

Flying a radio-controlled (RC) aeroplane can be both fun and relaxing as long as your plane has the proper balance. An unbalanced RC plane is difficult to control and more likely to crash. Each plane has its own centre of gravity. Find your plane's centre of gravity to check how balanced your plane is. If the plane is unbalanced, you can tinker with it to achieve the proper balance. Before you do that, however, you must find the balance point.

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  1. 1

    Check the instructions that came with your plane or examine the plane itself for a centre of gravity indicator. According to, RC plane plans and pre-manufactured plans should mark the balance point; check before proceeding.

  2. 2

    Travel your finger back one-third the length of the plane toward the main spar line of the plane.

  3. 3

    Place your fingertips under each wing and lift the plane off the ground; let it hang from your fingers.

  4. 4

    Notice how the plane sits. If the plane is level, then you have found the correct balance point. If the plane is not balanced, try moving the battery pack or any gear inside the plane either backward or forward to level the plane out.

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