Re: Solid state kicker coil?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

Merc: The kicker coil uses the collapsing magnetic field to produce a sudden
high voltage spike not the charging field. The charging waveshape can be a
sawtooth, but the discharge MUST be sharp and sudden. If you put a high
voltage diode in series with the transistor collector to protect the
transistor from the reverse voltage spike it would be well.I use two
solinoid coil cores in each leg with a common iron core from an old wash
machine as my kicker coils. My charge capacitor is .2uF and my primary coil
is 2 turns of #12 House wire around my 900 turn cone secondary. Research the
curcuits for auto CD ignition circuits for good schematics. Your collector
resistor can be large for the transistor, but the charge diode to the kicker
should be high voltage/current to take the drive power and reverse voltage
like a MOT diode or a TV fly back diode. I make my secondary coils of
fiberglass using a  rubber trafic cones as a mold coil form. With a little
mold release the rubber cone pules out of my fiberglass coil form to wind.
    Robert  H      

> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Tue, 02 Apr 2002 03:51:33 -0700
> To: tesla-at-pupman-dot-com
> Subject: Solid state kicker coil?
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Tue, 2 Apr 2002 04:54:42 -0700
> 
> Original poster: "Mercurus by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <mercurus2000-at-cox-dot-net>
> 
> Hey I was wondering if anyone here could give me tips on constructing a solid
> state kicker coil, I've been trying to build one using a neon bulb, inductor,
> 555 timer and a power transistor, but I don't seem to be having any luck.=/
> the
> light only lights up when I cut the power.
> 
> 
>