<VV> Re: No Capacitor

[JVHRoberts at aol.com]

Not to split hairs, but it's a RLC circuit. There are significant  
resistances at play here. But you're right, you MUST have a pretty fat L to make  this 
work. 
 
In a message dated 6/3/2006 3:35:44 PM Eastern Standard Time,  
hyarnell1 at earthlink.net writes:

It's an  LC circuit, not RC. An RC circuit won't do squat.

Harry  Yarnell
Perryman Garage and Orphanage
hyarnell1 at earthlink.net
-----  Original Message ----- 
From: <djtcz at comcast.net>
To:  <virtualvairs at corvair.org>
Sent: Saturday, June 03, 2006 3:31  PM
Subject: <VV> Re: No Capacitor


> An electrical  engineer friend once explained to me that the coil 
> (inductive load)  and condensor/capacitor (capacitive load) combine to form 
> an RC  circuit.  The result is to boost ~ 12 V to ~ 250 V on the low 
>  voltage/primary side of the coil shotrly after the points open. No cap  
> means the coil only would see about 12 Volts, which would mean real  low 
> zap to teh plug.  Proof (Touching the little wire terminals  of a runing 
> engine with points ignition ) is left to non-believers  and terminally 
> curious..
>
>  http://www.picotech.com/auto/tutorials/images/fig1-2.png
>
>  http://www.picotech.com/auto/tutorials/ignition-primary.html
>
>  --
> Dan Timberlake