As a Tamiya driver, we have to contend with a vehicle that is heavy and sluggish at the best of times, but this can be addressed. Through this site, I will explain all the worthwhile hop-ups and modifications that can be made that make the TA03 not only lighter but also easier and faster to drive. The key to getting performance out of the TA03 is efficiency...

The most common variety of springs are coil springs (see picture), these are usually placed around the damper housing to form a spring-damper unit. A spring is an elastic device that resists movement in its direction of work. The force it exerts is proportional to the movement of one of its ends. Or to put this into a mathematical equation...

The easiest way to judge weight distribution is to determine the car’s Centre of Gravity (CG). This is a point in space where the mass of the entire car is accounted for. Because of its location, it can be used to simplify the effects of inertia forces. In reality, every little bit of mass is subjected to inertia, but it’s much easier to make use of an equivalent condition: assume all the mass of the object is concentrated in its centre point...

Did you ever wonder why there are some cars at the track that just seem to always handle better? The quality and design of the car certainly factor into handling ability, but there are universal setup techniques that can transcend subtle design advantages - methods that have been used for many years by the world's fastest drivers. Driving skills are still the most important factor...

Everyone has some tips and tricks they have to share. This is a collection of 101 of the best from the net, club meetings and personal experience. The document is broken into sections for easy reading and for finding the tip that best suits your problem.