Month: April 2025

Catching the Wind: Why RC Sailboating is Pure Zen on the Water Most of the RC world is obsessed with speed. Whether it’s cars, planes, or powerboats, the chase is usually about who can go faster, turn tighter, and push the limits of what the gear can handle. But step onto the shore with an […]

Why would I still use brushed motor on a RC boat? Water tolerance is defintiely one of my main concerns. When it comes to water resistance, the answer isn’t so much about brushed vs brushless, but about design and construction. That said, in many practical cases, brushed motors are often more tolerant of water than […]

Chasing the Sweet Spot: Pinion and Spur Gear Combinations in RC Ask ten RC hobbyists about the “best” pinion and spur combo, and you’ll probably get ten different answers. That’s because there really isn’t a single “perfect” setup—it all depends on your motor, track, battery, and what you’re trying to get out of your car. […]

For the Tamiya BT01, this is the max (36T pinion, 55T spur): If there is a gear module (mod) or pitch mismatch between the pinion and spur gear, the meshing of the two gears will be flawed, leading to a number of mechanical problems—some immediate, others more destructive over time. The module (used in metric […]

Using a large pinion gear on an RC car changes the gear ratio, which can significantly affect the vehicle’s performance and durability. While it often leads to higher top speed, it comes with several drawbacks. When you install a larger pinion, you’re effectively increasing the gear ratio, which means the motor has to work harder […]

The choice between metal and plastic spur gears in RC cars depends heavily on performance needs, durability expectations, and driving conditions. Metal spur gears are typically used when strength and durability are top priorities. They can handle high torque and power without stripping or wearing out quickly, making them ideal for high-speed racing, powerful brushless […]

Hard casing lipos would NOT fit into many of the Tamiya cars. Chassis like TA01, TL01 …etc will NOT be able to accomodate hard casing packs. No workaround without extensive filing and plastic removal. TL01: TA02: Even new car like this BT01 will not be able to take a hard casing Lipo:  

The primary difference between LiPo charge mode and LiPo balance mode lies in how the charger manages the voltage across the individual cells in the battery pack during charging. In LiPo charge mode, the charger charges the entire battery pack to the target voltage (usually 4.2V per cell) without paying close attention to how balanced […]

One of the BT-01’s coolest features is that you can reconfigure it from MR to FF by simply repositioning parts — Tamiya engineered this chassis to be highly modular. That means if you ever want to experiment with tail-happy drifting or more dynamic cornering, you can switch over without buying a new car. In FF […]

In RWD setups, only the rear wheels are driving the car forward. That means the rear tires need to maintain grip under acceleration, cornering, and braking. A low CG keeps the weight closer to the ground, reducing the tendency of the chassis to lift the front and unload the rear under throttle. More even weight […]