Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Parpp807-at-aol-dot-com> In a message dated 6/7/02 12:03:53 AM Central Daylight Time, tesla-at-pupman-dot-com writes: > Does anyone know if it would be a good idea to use 28 guage for a 4.5" by 22" Dan, I used # 28 for my 4.5 x 24 inch. The larger number of turns will give a higher inductance. Cheers, Ralph Zekelman