In addition to the adjustment angle and freedom from distortion, the center of gravity must be correct for the model to fly well. An inaccurate center of gravity setting, for example with fingertips, can lead to countless test flights or, in extreme cases, an immediate crash. Information about the center of gravity can usually be found in the plan or in the instructions, but how to transfer it accurately to the model? With the easy-to-assemble center of gravity scale, this is not a problem. It is designed for models weighing between 300 g and 10 kg. The measurement range is between 30 and 150 mm, meaning that for a rectangular wing without dihedral, the wing depth can be up to approximately 450 mm, which is sufficient for all common models.