Are there different sizes and types of slot cars?
1:24 scale – 1 unit of the slot car length is equal to 24 units of the actual car. These cars require a huge course and make most home racing impossible. Usually people who race 1:24’s, go to a commercial car center or a car club track.
1:32 scale – Although still raced on commercial tracks and in clubs, the 1:32 is smaller and easier to race at home.
1:64 HO scale – There have been different scales used at time, from 1:87 USA , and 1:76 UK, and a few others. These cars have larger motors and are capable of much higher speed (ie: “high output”).
In the beginning HO slot cars were 1/87 scale (meaning one inch on the slot car equaled 87 inches on a real car) and designed to be a “moving accessory” for model train sets. Over the years the cars grew slightly larger in size until HO in slot car terms was generally accepted as being 1/64 scale.