> I know I could devise a 3:1 lever ratio or some such thing and use
> one of the cheap (but mechanically range restricted) linear
> potentiometers for audio circuits, but would rather not.
>
> Thanks
>
>
> Ed Anderson
> RV-6A N494BW Rotary Powered
> Matthews, NC

For short term experimentation:
Shave the wood off one side of a pencil. Calibrate.