droneadvisor

It is no longer rare to see a flying quadcopter outdoors. Currently, it's not simply toys, but also actual helpers. They supply items from shops, save lost people, make movies with a high-quality and

It is intuitively clear that a quadcopter is a flying machine with 4 propellers with a vertical arrangement of their axes. The type of multicopter is defined by the layout of the frame (arms) and the number