Author and owner is my neighbor. His name is Nikolay Vorobiev, and you can see him on the video.
It is hard for him to describe step-by-step process of its building. He just want to share main idea of the device.
Video contains explanations of main features (+subtitles in English).
If you want to know additional technical details - please ask me and I will forward your question to the author.
If you want to know more about the author - please visit his site http://redir.ec/velochudesa