Escapement MacDowall (305)

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This simple escapement mechanism is designed as a clock's core component. Consisting of just a crank and a pendulum, both mobile parts, the model was created using Autodesk Inventor 2014, incorporating Dynamic Simulation and Inventor Studio for results. Driven by a weight on a thread (not included), a constant momentum replaces its action at 1.5 N·mm to the crank via a reel behind the pedestal. The movement starts with the crank, overcoming inertia before activating pendulum motion and increasing amplitude until it stabilizes. No friction is present; contact between the crank and pendulum has zero restitution. Experiment with Inventor Professional 2014 by opening "Escapement MacDowall (305).iam" in Downloads, accessing Dynamic Simulation, and adjusting torque values for dynamic observations. The idea originates from 507movements.com, while aligning the crank with the pendulum resembles the "Start picture.jpg". Practical applications are showcased in linked YouTube videos. Its simplicity may inspire wondering about simulating it using CAD software.