By Quadcopter 101 Here is a technique to quickly and safely bring your quadcopter back to the ground. Thermals are also discussed, along with techniques to detect and escape from this rapidly rising air. The quadcopter used in this demonstration is the Syma X5C:
The camera 808 #16 V3:

“Awel” by stefsax
is licensed under a Creative Commons license:
music was shortened to fit length of video.

Source: Quadcopter 101 on Youtube

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