In a message dated 00-03-04 10:12:33 EST, you write: << > Original Poster: Fucian-at-aol-dot-com > can some one tell me how to build a conical primary ?it looks hard and > detering >> Fucian, It's relatively easy, but it won't help the coil's performance. It's easier to build a flat primary and it will work just as well. If you really need a conical primary, I'm sure some one will happen to describe the process to you. Cheers, john Freau