Re: Is this a good circuit for a tesla coil. Any suggestions

["Jeremiah" <jmeizis-at-metallicafan-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

----------------------------------------------
Original Message
From: "Tesla list"<tesla-at-pupman-dot-com>
Subject: Re: Is this a good circuit for a tesla coil.  Any suggestions
Date: Tue, 22 Aug 2000 21:21:46 -0600

>Original poster: "acmnovak" <acmnovak-at-email.msn-dot-com> 
>
>Jeremiah-
>It's easier, faster and cheaper to just put a dimmer and 5uF cap in series
>with an ignition coil, then run it off of mains. You'll get the same, if
not
>better, voltage with adjustable frequency/duty cycle.
>
>Schematic:(sort of)
>
>HOT ~ o---[[[/]]]---{((()))}----UUUU----o ~ NEUTRAL
>                (dimmer)   (cap)     (ignition coil)
>
>The highest setting on the dimmer gives shorter arcs, but more current.
>Lowest setting gives you looooong arcs but really low current (still hurts
>: ).
>These can be used in place of an OBIT in small coils, and they'll probably
>last longer as the oil in the ignition coil doesn't become conductive at
>really high frequencies like tar, and any carbon tracks will melt away if
>you shake up the oil a little.
>Hope that helped...
>
>    -Michael
>
>
>
>
>
>----- Original Message -----
>From: Tesla list <tesla-at-pupman-dot-com>
>To: <tesla-at-pupman-dot-com>
>Sent: Tuesday, August 22, 2000 6:49 PM
>Subject: Is this a good circuit for a tesla coil. Any suggestions
>
>
>> Original poster: "Jeremiah" <jmeizis-at-metallicafan-dot-com>
>>
>> this is a circuit from a book called George McComb's Gadgeteer's
Goldmine.
>> It uses a 555 IC and ignition coil to drive a traditional tesla coil if
>you
>> will.  Any Improvements.  Anybody tried this circuit.  It was adapted
from
>> Walt Noon's 40000 volt induction coil plans.  The parts marked on the
>> schematic and the ones on the part list are different does andbody know
>> which ones are better.  See attachments.  Thanks.
>> Jeremiah
>>
>> http://63.225.104.218/site/TCList/tesla.jpg
>> http://63.225.104.218/site/TCList/tesla201.JPG
>>
>>
>>
>>


about how long could you run that before it started to heat up.

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