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Published on May 1, 2012
RECENTLY DONATED TO MCMASTER UNIVERSITY
1.8kw tesla coil second day of tuning, the ball seems to produce longer sparks, however sometimes racing sparks occur with the ball (sparks along the tube). Until I solve this, I'll keep using the toroid. I think i'll apply a few more coats of varnish to the secondary, and cut a larger hole in the bottom of the ball so that it can be lowered to the top of the secondary winding.