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Re: Ignition coil : mini tesla coil?
What's wrong with the 3055 though. I've had very good results
with it and it doesn't even get hot. What are the advatages of an
SCR?
-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Thursday, July 15, 1999 11:51 AM
Subject: Re: Ignition coil : mini tesla coil?
>Original Poster: "Dr. Resonance" <Dr.Resonance-at-next-wave-dot-net>
>
>to: Jeff
>
>Forget the 2N3055 --- use an SCR --- much more durable for this
application.
>
>Regards,
>
>Dr.Resonance
>
>
>-----Original Message-----
>From: Tesla List <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
>Date: Wednesday, July 14, 1999 11:04 PM
>Subject: Ignition coil : mini tesla coil?
>
>
>>Original Poster: "Jeff Corr" <corr-at-enid-dot-com>
>>
>>Only slightly understanding the construction of an ignition coil, could
>>(or does) it represent a mini tesla coil. I have been working on one and
>>I don't know if this is or is not grounds for discussion on this list. My
>>grounds for it is are being that it is like a solid state circuit, and I
>>will
>>possibly be driving a tesla tank circuit with one of these.
>>
>>I've used a single 555 timer to turn on and off a 3055 on a VERY large
>>heatsink (500-1000 watts estimated.) Even at full power and current,
>>the 3055 was only moderately warm, perhaps 90 degrees. (For the
>>computer knowing people, it was the same temperature as my CPU
>>heatsink to the touch.)
>>
>>I'm wanting to use to ignition coils, wired in anti-parrallel to produce
>>the high voltage to drive a tesla coil tank circuit. So far I have not
>used
>>two coils at once, but I'm sure the 3055 could handle this. Each icoil
>>was producing 1.5-2 inch sparks on its own, being driven by 17 volts.
>>Very good results, however, there was bright obvious corona between the
>>center HV lead, and the supply voltages on each side.
>>
>>Any thoughts as always?
>>
>>Jeff
>>
>>
>
>
>