More 555

[goflo at pacbell.net]

Ron Tyler wrote:
> O.K. guy's, Its my turn to install the cone shaped hat. I was using an
> automotive batt. charger. I guess the rectified output is double the
> input i.e. 120hz.
>   Now my next question... The circut is designed for 10Khz but 2
> injectors that Ive tried dont seem to like much more than 5-600Hz at
> about 60% duty. Anyone had experience with this?

What are you using for a power supply now? (Volts & Amps).
How are you measuring frequency?

Jack