<VV> Ignition Questions

Ken Campbell deltainc at grm.net
Fri Sep 8 16:49:39 EDT 2006


----- Original Message ----- 
From: <FrankCB at aol.com>

> Andy and Bob,
>     Another factor to consider is that the nominally 12  volt electrical
> system varies in voltage.  Under the big current  drain of the starter, it
drops
> to around 10 volts while under normal  running conditions with the
alternator
> (or generator) charging, the voltage is  around 14 volts.  So the ignition
coil
> resistor helps to reduce these  voltage variations at the coil.
>     Frank Burkhard
********
Interesting ... in fact, if we put a simple clipping module in the circuit
to the coil, say to clip at 10 volts, maybe it would be the best of all
worlds, and we would get a hotter spark all the time......   of course, this
might only be useful to we all with " classic" cars using breaking points
... hey I got a couple 1948 tractors that might enjoy such a thing ....
let's see ... zener diode, .... oops, I need to find a high school
electronics wizard .... or maybe a chinese inverter and a power supply ....
hmmm did you know you can buy perluxitators for old tractors ???  heh heh
...
reargards, ken campbell, iowuh vair guy



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