Mechanisms — variable rotary motion

Recent Blogs

Variable Rotary Motion diagram
Variable Rotary Motion: Ideal Equal-ellipse Gear Speeds
Explore matched equal elliptical pitch curves and calculate cyclic ideal output speed from input speed, eccentricity and phase. Teeth, loads, stress and machine performance are...
Variable Rotary Motion via Elliptical Gear and Slotted Bar diagram
Elliptical Gear and Slotted Bar: Ideal Phase and Projection
Explore equal elliptical pitch curves with an illustrative slotted bar. Calculate ideal speed ratio and a separate cosine projection; actual bar motion and loads are...
Sector Gears (uniform/variable Rotary) diagram
Sector Gears (uniform/variable Rotary) Mechanism Explained: How It Works, Parts, Formula & Uses
Sector gears explained — how partial-arc gears drive intermittent and variable rotary motion in steering boxes, weapons, and industrial machinery.