Re: Hello, delurk and question

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

Original poster: "Luc by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ludev-at-videotron.ca>

Hi Frank

>From my experience this set-up put more energy in the coil than
they normally see in a car. You could try to run the coil under
oil. I don't live in europe but if on you 220 volt outlet you
have a live and a neutral normally you have 0 ohm between the
neutral and the ground if it's the case connect the neutral with
the "-" screw and put the dimmer between the live and the "+"
screw put some insulation on the "+" screw ( thick layer of
silicon or hot glue ) and you could ground the case of the IC.
Use the real rubber plug in the secondary out. If the coil is
properly load with an MMC, a gap or a JL it have less tendency to
arc to itself.

Hop I could help,
cheers,

Luc Benard

   
Tesla list wrote:
> 
> Original poster: "Frank Van der Auwera by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <fvdauwer-at-uia.ua.ac.be>
> 
> Hmm, thanks for trying to help, guys, but in my question ' > Anyone any
> idea as to how to avoid the primary being
> > destroyed by the extra sparking? ', i was talking about
> the IGNITION COIL doing occasional sparks from its housing
> to the terminals of its primary.
> 
> so,
> 
> >Put a strike ring around the top of the primary - the arc
> >will hit the ring and not the primary
> and
> > You probably talk about the secondary the tall coil with
> > many turn and if by "extra sparking" you talk of racing
> > spark ( small spark running on the side of the secondary )
> > put a little more space between the primary and the
> > secondary coils and check your tuning.
> 
> are not applicable here, that would work if it was a tesla
> coil we were talking about, but as an ignition coil is a
> sealed unit, i can hardly change its conformation.
> 
> I wonder WHY these sparks are appearing, BTW. As an IC has
> the 'ground' (metal body of the unit) connected to one side
> of its secondary, i suppose these sparks are a way of the
> high tension, if it cant arc between the two terminals of
> the secondary for some reason, to try to find a way to
> earth ground via the primary circuit , the dimmer and the
> 220 volts line. Not a good thing. Would earthing the body
> help? Do i need to add something to the circuit? Any help
> is welcome!
> 
> Anyone who has played with this kind of circuit experienced
> these 'flyer' sparks to the primary terminals?
> 
> Frank Van der Auwera.
> 
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