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Re: Who all has built OLTCs?

Original poster: "Paul B. Brodie" <pbbrodie@xxxxxxxxxxxxx>

I read about your unique way of driving ignition coils and if I understand correctly, you removed the iron core from the ignition coil. I don't believe an ignition coil that still has an iron core will stand up to 10 kHz input. I'm I understanding your description properly? If so, I might try this with one of my Accel Super coils and see what kind of sparks I can get from one of them.

I'm really impressed at your 13.5" sparks with the HEI coils. I must say that I'm not surprised in the least, since it is you that did it!! Do you HAVE TO set the bar so high all the time!!! {:-)

Think Positive
PS After I finish fooling with the Super coils, I think I might take a go at your HEI record.

----- Original Message ----- From: "Tesla list" <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx> To: <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx> Sent: Thursday, April 21, 2005 1:49 PM Subject: Re: Who all has built OLTCs?

> Original poster: Terry Fritz <<mailto:teslalist@xxxxxxxxxxxxxxxxxxxxxxx>teslalist@xxxxxxxxxxxxxxxxxxxxxxx>
> Hi Paul,
> Try ~10kHz and 13+ inch sparks out of a GM HEI coil ;-)))
> <http://www.powerlabs.org/gmheicslr.htm>http://www.powerlabs.org/gmheicslr.htm
> Cheers,
> Terry
> At 11:16 AM 4/21/2005, you wrote:
>>I have been fooling around with ignition coils and flybacks quite a bit
>>recently. First, the ignition coil is going to want to run at a much lower
>>frequency than the flyback transformer. If I remember correctly, the
>>flyback will resonate at around 20 kHz and the ignition coil will run the
>>best under maybe 3 kHz, at most. So, if you want to run both from the same
>>555 circuit, you will have to set it up with switchable cap values and/or
>>If I'm wrong, I'm quite sure I'll get corrected. {:-)
>>Think Positive