Mechanisms — historical mechanism

Recent Blogs

Paddle Wheel (form 2) diagram
Breast-Shot Paddle Wheel: Declared Breast-Arc Layout
Explore a breast-shot wheel layout. Calculate circumference, paddle spacing, rim pitch and arc length at the wheel radius from diameter, count and arc angle.
Paddle Wheel (form 1) diagram
Undershot Paddle Wheel: Declared Radial-Paddle Layout
Explore undershot paddle-wheel geometry. Calculate circumference, equal paddle spacing, rim arc pitch and one rectangular paddle-face area.
Over-and-over Lacing diagram
Over-and-Over Belt Lacing: Historical Path Geometry
Explore the over-and-over belt-lacing route. Calculate hole count, row span, segment count and ideal planar path length from paired holes, pitch and gap.
Centrifugal Safety Catch for Hoisting Drums diagram
Centrifugal Safety Catch for Hoisting Drums: How It Works, Parts, Formula & Uses Explained
Explore three rotating hooks engaging fixed frame studs, alongside a separate mrω² force comparison. Results do not determine hoist trip speed or stopping capacity.
Overshot Water Wheel diagram
Overshot Water Wheel: Gross Water Power and Geometry
Explore a top-fed overshot wheel. Calculate gross gravitational water power from head and flow, along with wheel circumference and equal bucket spacing.