Mechanisms — external gears

Recent Blogs

Horse-power Machine diagram
Horse-power Machine: Historical Platform and Gear-Ratio Exercise | FIRGELLI
Read about Hiscox’s chain-and-platform machine and use a separate external-gear calculator for speed, ideal torque ratio and output period. No power or workload is predicted.
Haven’s Planetary Crank Gear — schematic of the mechanism.
Haven’s Planetary Crank Gear: Slotted-Cross Animation and Calculator
Explore Haven’s bicycle crank with equal external gears and a rocking slotted cross. Calculate output speed, instantaneous ratio and sliding-block position.