Month: April 2020

The 2020 edition is finally here! Practical Offroad RC Car Upgrade & Maintenance has been developed from the ground up for beginners who know little about electric power RC technology. It gives an introduction to the mainstream offroad EP architectures. The primary goal is to explain various RC technical concepts and essential DIY upgrade & […]

Diff and diff oil: http://rcpress.com/wp/?page_id=1559 Shock oil guide: http://rcpress.com/wp/?page_id=1562 Shock Absorber: http://rcpress.com/wp/?page_id=1014 Tires and rims: http://rcpress.com/wp/?page_id=1012

It depends. These replacement shock towers are pretty solid so far: This Optima uses a 50% filled 3D printed C hub. It breaks after approximately 20 minutes of running. Seems like 100% fill is necessary. The photo below shows a replacement arm for the Tamiya onroad. It does not last. This is a middle gear […]

When your car suddenly stops steering, it can be servo failure OR transmitter problem. Test it with another transmitter. If the servo works fine, then the issue is on the transmitter. You may open it up then check to see if the internal steering wheel connection is loose. If you often drop the transmitter on […]

This TBLE 02S Tamiya ESC supports both. For brushed operation simply ignores the orange wire. The S stands for sensored. Seems like brushed mode is the default anyway.

Pinion gear restriction is usually implemented on the motor mount. Take the Tamiya M03 as an example, due to its unique screw holes layout, your choice of pinion is rather limited. However, if you use just one screw and keep it tightened regularly, a larger pinion (such as a 23T) can still be used, and […]

Sometimes it is a pain to work with linkage comprising ball caps and turnbuckle. As a coupling with internal screw threads for connecting two rods, a turnbuckle has its one end with a left-hand thread and another with a right-hand thread. A turnbuckle wrench may help a bit if tightening the ball caps onto the […]

The knuckle arm, a ball bearing, a C hub, a universal shaft and a ball stud. Each knuckle arm needs two ball bearings. It also needs a ball stud for connecting to the steering linkage. The C hub holds the knuckle arm. The hinge pin. It is used to connect the arm to the mount. […]

You all know what toe-in and toe-out are about. Usually the easy way to adjust is to change or adjust the steering linkages. This is being referred to as outboard toe, which changes only the angle of the wheels. Advanced kit like the 3Racing Xi Sport NU also allows you to adjust inboard toe, which […]

The bulkhead assembly. The diff stays on the bulkhead. Each car has 2 bulkheads, one at the front and another at the rear. Foam bumper. Popular choice for onroad cars. King pin. Wheel adaptors. Body clip. Body post. There are usually 2 at the front and 2 at the rear.