Google Translate of YouTube Description: Experiments with quadrocopter continue. This time the goal of the flight was to reach a height of 10 kilometers and return safely to the launch site. By popular demand, and with the help of kind people, a display of air temperature appeared. Due to the inertia of the thermometer, the current temperature does not immediately display. On the street that day it was about -10 degrees The minimum temperature during the... How High Can It Go? - 10Km Apparently Continue reading...