Welcome to ydrRC
Our goal at ydrRC is to create a suite of online tools that help you learn about the RC Crawling hobby and get the most out of your scale truck.
Online Tools
ydrRC Crawler Gear Ratio Calculator
An online gear ratio calculator for RC Crawlers
ydrRC Center of Gravity Calculator
A Google Sheets based online COG calculator for RC Cars
3D Printable Files
A link to our profile on Thingiverse
Contact Us
Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!