transformador toroidal caseiro com núcleo de arame com a metade do secundário
17:48
Toroide 3kw o teste de fogo
14:20
Transformador toroidal rebobinamento e fazendo os primeiros testes
12:34
Check out this GRAVITY-Powered Electric GENERATOR!!!
7:18
Posso Fazer Trafo Toroidal com Motor de Tanquinho?? Vamos ver....
1:53
LaundryMotorVAWTtests
23:51
Making a Fully Functional Jet Engine from Soda can | diy Jet Engine | homemade Jet Engine
10:26
Homemade Solar Panel with Transistors - FREE ENERGY!
22:08