Simple as they are, wheels are vital pieces for any Technic vehicle builder. They’re difficult to replace with other elements, their selection is limited, and they have a huge impact on the aesthetics and function of a model. In this chapter, I’ll discuss how to choose the right wheels for the job and how to get the most out of them.
what makes a wheel
Most LEGO wheels are a combination of two pieces: a plastic rim and a rubber tire (see Figure 5-1). Many rim and tire combinations are unique, but some rims fit a number of tires (see Figure 5-2) and vice versa. You can find a list of popular LEGO rim and tire combinations at http://www.wheels.sariel.pl/.
Figure 5-1: The popular 62.4 mm × 20 mm wheel (right) combines two elements: a plastic ...