Subj : NASA, shuttle, anyone? To : TOM WALKER From : Roy J. Tellason Date : Tue Aug 23 2005 05:59 am TOM WALKER wrote in a message to ROY J. TELLASON: RJT> WC> I just took a TV flyback and made an external 8 turn winding center RJT> WC> tapped and drove it with a push - pull oscillator made with hefty RJT> WC> TO-3 transistors. RJT> WC> Ran at about 20KHz and drew 10 - 11 amps at 12 volts. RJT>That just seems awfully inefficient, though... TW> How can you say that without having any other Data?? TW> Like the Power Output for that 120 or so Watt Input. Easy. I just think of the size of the power transformer I'd need to build such a supply... :-) Or you'd need a car battery or something. I dunno, it just seems like a bunch of amps. --- * Origin: TANSTAAFL BBS 717-838-8539 (1:270/615) .