Re: [TCML] Ignition coil etc

["Bill Noble" <william_b_noble@xxxxxxx>]

please read the article to which I referred you.  AC is the WRONG answer. 
The reverse EMF on a kettering ignition is typically about 250V on the 
primary, I used 450 for my particular CD ignition - that gets a several inch 
long spark off a 6V coil.  Remember, the exictation voltage is irrelevant, 
it's the voltage rise when the points open that is what does the work - or 
if you prefer, the collapsling magnetic field.  AC will just burn out the 
ignition coil
----- Original Message ----- 
From: "Rhys Sage" <rhys_sage@xxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Friday, October 02, 2009 11:29 AM
Subject: [TCML] Ignition coil etc


Well I just tried the 16v AC into my 12v coil. I didn't get much out bar a 
slight crackle as I moved the wire close to the negative terminal. I guess I 
need to do something different. That was in no way enough to light up a 
spark plug!



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