Эта штука называется “лифтер”, смысл в том что с заостренных предметов срываются потоки ионов, кажется так.
Напряжение около 100КВ постоянного тока, при касании может убить, подъемная сила в лучшем случае около сотни граммов.
Все они питаются от внешнего источника питания, т.к. ничего компактного с таким напряжением так и не сделали 😃 (хотя там по сути генератор + повышающий транс + диодный умножитель).
В общем, с точки зрения р/у полета интереса не представляет 😃
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