Hello All, I am hoping to build a flat copper strap primary and wondered what thickness people use in 5-10kw coils? I can get 50mm x 0.6mm and that surface area is much larger than copper tube at 8mm. What's opinions please? Cheers, Colin Sent from my iPhone_______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla