Down the right side of the page, you'll find your car's make and model from the drop down box, then your electric motor type in the second drop down box, your batteries in the next, and so forth. (Note: The calculator was designed for DC motor systems, so if you're planning an AC conversion, it won't be helpful.)
Below that you put in the adjustments to the calculations, things like the voltage of your system and the rolling resistance of your tires and how much weight you've removed from your donor vehicle - things like that.
It's a very useful tool, and many thanks to Jerry Halstead for making it available on the Internet!
On this upcoming Saturday, November 9th, a transport truck and trailer will roll into Kingman, Arizona from Los Angeles, California to pickup our very rare circa 1959-1960 Henney Kilowatt with only 40…