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.
New to RC? Start with Guides for the structured basics, or look up a term in the Glossary.
Understanding shock oil weight and viscosity for optimal RC vehicle performance and suspension tuning
Understanding how differential oil weights affect RC car handling and performance
Learn how to choose the right crawler tire foam firmness for improved grip and handling on various terrains
Set pinion-to-spur backlash with a strip of paper so the gears run quiet and last.
The coast test that splits the problem in half, then the ordered checks — steering center, tweak, ride height, bent par…
Dry grit grinds rather than corrodes, so the damage is mechanical and the obvious first move makes it worse. How to spo…
Wet-run damage shows up days later, not on the night. How to recognize it, what is still saveable, and the two preventi…
Store LiPo packs at about 3.8V per cell -- not full, not empty -- in a cool, dry, fireproof place, and check cell balan…
What 2S / 3S / 4S / 6S mean, and the nominal, full-charge and storage voltage for each.
Understanding motor KV and its impact on RC vehicle performance, including speed, torque, and gearing
Learn how RC radio binding and channels work, and how to set up your transmitter and receiver for reliable control
Learn the differences between RTR and kit RC cars to make an informed decision for your first purchase
12 articles in the wiki · community-written, revision-tracked, real knowledge only.