BEAST MODE RC Gear Ratio & Speed Calculator
🏁 Dial in your setup like a pro. Every pass counts.
Take the guesswork out of your gearing with this powerful, easy-to-use calculator built for RC drag racers. Input your setup—pinion, spur, tire size, motor KV, voltage—and get instant calculations for:
✅ Final Drive Ratio
✅ Rollout (in/rev)
✅ Estimated Top Speed (MPH & ft/s)
✅ Motor RPM
✅ 60' and 132' ET Estimates
✅ Average G-Force
💻 Built in Excel & Google Sheets
🧠 Beginner friendly with a built-in Quick Start guide
📥 Instant download – no shipping, no waiting