Apparatus, methods, and systems for adjusting a center of mass of a drone may include a balance track and a repositionable weight. The balance track may be configured to extend outwardly from a central region of the drone. The balance track may include a plurality of weight-balance fixation positions. The repositionable weight may be configured to be secured at any one of the plurality of weight-balance fixation positions. In various embodiments the repositionable weight may include an electronic component. Various embodiments may include a another balance track configured to extend outwardly from the central region along a second axis that is different from a first axis of the other balance track.