Comprehensive Compound Gear Train Velocity Analysis Want to understand how a compound gear train reduces speed while multiplying torque? This infographic walks you through the complete calculation process with a practical example. In this post, you’ll learn: First and second stage gear ratio calculations Total gear ratio determination Output speed calculation (1200 RPM ➜ 75 RPM) Torque multiplication concept Speed and torque flow through a compound gear train Engineering formula for multi-stage gear systems A must-know concept for mechanical engineers, maintenance professionals, students, and anyone working with gearboxes and power transmission systems. Have questions about gear train calculations? Drop them in the comments! Post navigation Gear Ratio Calculation Made Simple! Greasing Bearings correctly – The Math and the Logic!