Subj : NASA, shuttle, anyone?
To   : ROY J. TELLASON
From : WAYNE CHIRNSIDE
Date : Tue Aug 23 2005 08:19 pm

-> 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.

I had a rather large gell cell the company I worked for had tossed.
Used for their computer backup system.

IIRC it was rated at 24 ampere hour.
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