07-24-2008, 11:37 PM
|
|
CC Member
|
|
|
Join Date: Feb 2008
Location: Jacksonville,
FL
Cobra Make, Engine: Kirkham #570 w Shelby FE
Posts: 1,009
|
|
Not Ranked
Search the web (or ebay) for square wave generators or function generators.
You don't have to exactly use the current levels found in an actual coil/points system as tachs have high impedance inputs.
For frequency range RPMs x half the total cylinders / 60 = frequency in hertz. (in case of four stroke engines)
You need an output range of around 5~6 volts min. PtP. (peak to peak)
|
Hybrid Mode
