📖 RC Wiki

The crew's knowledge base

How-tos, tuning, maintenance and symptom → fix troubleshooting for every kind of RC. Kept current by the community, free forever.

12
Articles
10
Categories
📖 This is a wiki — members write it, and it is never finished. Anything here can be edited by any trusted member, and every change is public in recent changes with its full history kept. Want the finished, start-to-end lessons instead? Those are the Guides.

New to RC? Start with Guides for the structured basics, or look up a term in the Glossary.

🪀 Suspension & Tuning 🤖
Shock Oil Weight Explained

Understanding shock oil weight and viscosity for optimal RC vehicle performance and suspension tuning

⚙️ Drivetrain & Gearing 🔧 fix
Setting gear mesh with the paper trick
Symptom: Gear whine, a chewed-up spur gear, or grinding from the gearbox

Set pinion-to-spur backlash with a strip of paper so the gears run quiet and last.

📡 Radio & Electronics 🤖
RC Radio Binding and Channels Explained

Learn how RC radio binding and channels work, and how to set up your transmitter and receiver for reliable control

⚡ Motors & ESC 🤖
Motor KV Explained: Speed and Torque

Understanding motor KV and its impact on RC vehicle performance, including speed, torque, and gearing

🧰 Maintenance 🔧 fix
It ran on dust or sand and now something is gritty, noisy or dragging
Symptom: After a dry, dusty or sandy session a wheel spins rough compared to t…

Dry grit grinds rather than corrodes, so the damage is mechanical and the obvious first move makes it worse. How to spo…

🚦 Getting Started 🤖
RTR vs Kit: Choosing Your First RC

Learn the differences between RTR and kit RC cars to make an informed decision for your first purchase

🔋 Batteries & LiPo 🔧 fix
LiPo battery storage: the 3.8V rule
Symptom: A LiPo pack is puffing, or losing capacity over weeks of sitting

Store LiPo packs at about 3.8V per cell -- not full, not empty -- in a cool, dry, fireproof place, and check cell balan…

📖 Glossary & Terms
LiPo cell count and voltage (2S, 3S, 4S, 6S)

What 2S / 3S / 4S / 6S mean, and the nominal, full-charge and storage voltage for each.

⚙️ Drivetrain & Gearing 🤖
Differential Oil Weights and Handling

Understanding how differential oil weights affect RC car handling and performance

🧰 Maintenance 🔧 fix
It ran fine after the wet session — a week later something has seized
Symptom: Nothing was wrong on the night, but days later a bearing is rough, a…

Wet-run damage shows up days later, not on the night. How to recognize it, what is still saveable, and the two preventi…

🔧 Troubleshooting 🔧 fix
Why your RC car pulls to one side
Symptom: The car will not hold a straight line. It drifts or pulls consistentl…

The coast test that splits the problem in half, then the ordered checks — steering center, tweak, ride height, bent par…

🧗 Crawlers & Scale 🤖
Crawler Tire Foams: Choosing the Right Firmness

Learn how to choose the right crawler tire foam firmness for improved grip and handling on various terrains

12 articles in the wiki · community-written, revision-tracked, real knowledge only.