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I got a link from an email list to a YouTube video of an amateur antigravity device. It probably requires quite some knowledge to replicate this very simple device made by Alexey Chekurov: https://docviewer.yandex.ru/view/0/?*=3mB8i86W%2FkA6efvQeBcYlEvCOxR7InVybCI6InlhLWRpc2stcHVibGljOi8vK3g1SmhwbENmRmJkTUkybExGT0x1d1ZSL0RWTjgwY09xUmdtK3V0OUl1MD0iLCJ0aXRsZSI6IkdyYXZpbGV0IC0gQ2hla3Vya292LnBkZiIsInVpZCI6IjAiLCJ5dSI6IjY5NDExNDY2MTUyNDQzMjU0MyIsIm5vaWZyYW1lIjpmYWxzZSwidHMiOjE1MzY5OTc3NTk3MzZ9 https://docviewer.yandex.ru/view/0/?*=3mB8i86W%2FkA6efvQeBcYlEvCOxR7InVybCI6InlhLWRpc2stcHVibGljOi8vK3g1SmhwbENmRmJkTUkybExGT0x1d1ZSL0RWTjgwY09xUmdtK3V0OUl1MD0iLCJ0aXRsZSI6IkdyYXZpbGV0IC0gQ2hla3Vya292LnBkZiIsInVpZCI6IjAiLCJ5dSI6IjY5NDExNDY2MTUyNDQzMjU0MyIsIm5vaWZyYW1lIjpmYWxzZSwidHMiOjE1MzY5OTc3NTk3MzZ9
https://www.youtube.com/watch?v=1JeeaZlYonc https://www.youtube.com/watch?v=1JeeaZlYonc (7:52).
https://www.youtube.com/watch?v=2JrkOfqm6eY https://www.youtube.com/watch?v=2JrkOfqm6eY (39:13). This is the video with the English pdf translation and some theory.
https://www.youtube.com/watch?v=VBrx4O10XkI https://www.youtube.com/watch?v=VBrx4O10XkI (30:07). Response on critique.
https://www.youtube.com/watch?v=i889P5nOwhg https://www.youtube.com/watch?v=i889P5nOwhg (6:57). Early indoor short levitation.
Switch on subtitles/closed captions and choose Settings/Subtitles/Auto-translate and select language if not understanding Alexey's language (Russian).
The device has two counter rotating discs with permanent magnets and charged with high voltage and a stationary disc between the rotating ones. The top and bottom rotating discs are charged respectively with positive and negative potential while the center disc is fed from a self-oscillating Tesla coil (impulse voltage). Everything has to be tuned for the effect to apply. It is believed that the field forms a torus around the device. Cameras and electronics are at risk of being destroyed when getting too close to the device. This tells that the electromagnetic radiation around the device is powerful. The theory is taken from John Searl, Victor Schauberger some Nazi scientist, Viktor Grebrenikov etc. The auto-translater isn't too good with the names.
Regards
Ole