From: Gwyn Zucca[SMTP:gwyn-at-tcbod.demon.co.uk] Sent: Sunday, September 21, 1997 9:58 AM To: tesla-at-pupman-dot-com Subject: toroid size Hello all, I am interested in information on the ratio of toroid capacity versus system power input, i.e. For a given input power level has a rule of thumb been arrived at, as is to what size of toroid the secondary is capable of charging. Gwyn D Zucca