What Is a Planetary Gear System? | How It Works & How to Calculate Gear Speeds

Schedule time with Corey: https://mentoredengineer.com/consulting/ Planetary gear systems are everywhere — from automatic transmissions to robotics, wind turbines, and even electric screwdrivers. But how do they actually work? In this video, I explain what a planetary gear system is, how the sun, planet, and ring gears interact, and how to calculate output speeds based on different configurations. You'll also learn why planetary gears are so popular in transmission systems and where you’ll see them used in the real world. ⚙️ How planetary gear sets work 📐 Speed ratio calculations made easy 🔁 Carrier, ring, and sun gear roles explained 🚗 Why they’re used in automotive and industrial gearboxes By the end, you’ll understand the math, the mechanics, and the magic behind these powerful and compact gear systems. Perfect for engineers, students, and gear enthusiasts alike!