Try _http://www.brianb.org/images/Tesla/Mini-Twin/MiniTwin%20White%20Paper9.doc_ (http://www.brianb.org/images/Tesla/Mini-Twin/MiniTwin%20White%20Paper9.doc) It helped me a lot back when I made mine Jim _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla