Solution n+2 for permanently unbalanced wheel
http://gravitationalengine.com/
Amplifier + positive feedback = generator (continuous rotation).
УÑилитель+Ð¿Ð¾Ð»Ð¾Ð¶Ð¸Ñ‚ÐµÐ»ÑŒÐ½Ð°Ñ Ð¾Ð±Ñ€Ð°Ñ‚Ð½Ð°Ñ ÑвÑзь= генератор (непрерывное вращение).