[TCML] yet another 833c vttc with problems
bud at tape-inc.com
Tue Sep 16 11:43:46 MDT 2008
I know this is a dumb question....but did you tune the primary to the
secondary? It has to be on the nut or it will not fire.
----- Original Message -----
From: "garry neeley" <bamacoiler at gmail.com>
To: <tesla at pupman.com>
Sent: Tuesday, September 16, 2008 9:56 AM
Subject: [TCML] yet another 833c vttc with problems
> I just finished my first VTTC. It's a single 833C closely following
> > Ward's single 833A schematic. The specs:
> > Secondary - 3.5" x 19" x #24
> > Topload - 3" x 7.5" toroid, about 1" above the top turn.
> > Primary - 29 turns #12 THHN on a 6.25" green pipe. Bottom turn level
> > secondary bottom turn.
> > Filament supply - rewound mot, 10V even (does get warm).
> > Plate supply - very large (physically) old mot, voltage
> > doubler 2.00uf, mo diode, 1800pf10kv ceramic disk
> > Tank cap - 2nf 40kV
> > Plate filter - 10 turns #12 on 30ohm 20W
> > Feedback coil - 22 turns #24
> > Grid leak - 5k 100w fixed, 1800pf 10kv ceramic disk
> > Everything is wired with #12 wire. All connections are tight.
> > brand new rf parts taylor 833c
> No staccato yet
> I can't even get the coil to oscillate. I've tried switching polarity on
> the grid coil and a few other things. No plate glow at all and I can't
> light up a flourescent light holding it right up to the secondary. All I
> got so far is the filament glowing lol. Help!!!
> Garry Neeley aka Bamacoiler
> Tesla mailing list
> Tesla at www.pupman.com
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