E-coil experiment

This Japanese, Miroku Watanabe has on his blog to download the experiment in pdf here:

https://watanabe-japan-miroku.jimdofree.com/

Interesting to see other experience on energy,

It uses 6 E core ferrites  Core, L1 150 tur ns and L2 300 turns, it seems to have twice as much power at the output

Another experiment here:  https://s6cvq6nolqjf.blog.fc2.com/blog-entry-29.html

Jagau