replying to Jon Elson, CARLOS REIS wrote:
Working on it right now!

Some pictures to sow the complete mess...

I'm working by fun and trial error because:
I don't know the wire sense of rotation
I don't know what is the channel one or channel two coil
I've simplified the excitation coil because till now I was unable to do it
similar to the original one

So, lets party!
http://www.polytechforum.com/img/51
http://www.polytechforum.com/img/52
http://www.polytechforum.com/img/53
http://www.polytechforum.com/img/54