Category: Tech Tip – Drive Train

TT02 motor pinion chart

Just for your convenience.... TT01 max spur is 61T. So if you have the largest…

Tamiya Hotshot series range of pinion

According to the official manual, you can use either 13T or 15T pinion on a…

Going Against the Grain: Why Turn Your Tamiya TT-02 into a FWD Monster?

Let's be honest — when most of us think of the Tamiya TT-02 chassis, we…

Pinion and stress for the spur gear

When comparing, say, a 22-tooth pinion to a "larger" 24-tooth pinion with the same motor…

TT01 gearbox cover issue

When you use a third party pinion over 24T, there is a chance the stock…

The Charm of RWD Off-Road Buggies: Old-School Fun in the Dirt

When it comes to RC buggies, 4WD tends to dominate the modern scene with its…

On-Road Belt Drive 4WD: The TA08 Pro as a Benchmark

In the world of 1/10 on-road RC racing, belt-driven four-wheel-drive cars have earned a reputation…

Turning a Tamiya TT-01 Into RWD – A Fun Experiment

The Tamiya TT-01 is one of those kits that just about every RC enthusiast has…

Solving the TT01 metal drive shaft wobbling issue

3D printing can come to the rescue. For details go to this page: https://upgradeparts.com/2025/08/30/tamiya-tt01-metal-drive-shaft-stablizer/  …

Very aggressive gearing

On an RC car, the relationship between the pinion gear (on the motor) and the…