Ignition coil charge time

[tdrury at SPBTED.gtri.gatech.edu]

> yet read the paper, it describes some really clever innovations: 
> adjustable dwell depending on how near saturation, a 5.5 amp limit in 
> the driver so you could have a low resistance for fast saturation times at 
> high speeds, but that wouldn't fry at low speeds.

Dynamic-adjustable dwell can be done using Motorola's MC3334 ignition
controller chip.  Its an 8-pin DIP that uses a sensing capacitor to
determine if the coil was completely charged for the last spark.  It
adjusts the dwell for the next spark accordingly.

-tim