This question comes up so often that I've copied and pasted it into a word document so I can copy and paste to the replies. Some fine folks have suggested I make it a "sticky". But we try to minimize cluttering up the forums with stickys.

The general "formula" or method of determining the "BASIC" motor and ESC combination is just that.. basic. Of course, there are improvements that can be made with handling characteristics by changing some of the components. Always try to make them lighter, though, is a general rule of thumb that always applies to electric power. It also applies to glow power, but is not quite as critical.

Generally, glow power is much easier to work out than electric power.

CGr.