Recent Blogs
Whitworth Quick-return: Angular Timing and Clearance Comparison
Compare ideal working and return crank sweeps, plus clearance against an assumed 0.050 mm reference. Stroke, linkage closure and wear are not calculated.
Crank to Oscillating Rod Reciprocating Mechanism: How It Works, Diagram, Formula & Uses
Explore a crank-driven oscillating rod. Calculate output angular range, one-way tip arc, minimum transmission angle and full-turn closure from four link lengths.
Crank (general) Mechanism: How It Works, Slider-Crank Diagram, Parts and Real-World Uses
Explore an in-line slider-crank. Calculate stroke, slider travel, rod-length ratio and mean piston speed, and inspect angles where a short rod cannot reach the guide.
Eccentric Crank Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
Eccentric crank explained — how the offset shaft converts rotary motion into reciprocating linear motion in pumps, presses, and steam locomotive valve gear.
Variable Crank Throw: Ideal Stroke and Screw Adjustment
Calculate ideal stroke from crank radius and stroke change per radial screw turn. Compare radius with an explicitly entered symmetric span; actual slot capacity and...
Scotch Yoke Mechanism: How It Works, Diagram, Formula, Calculator and Uses
Scotch Yoke mechanism explained — how it converts rotary to linear motion, real engineering formulas, applications in valve actuators, pumps and engines.
Reciprocating Motion Mechanism: How It Works, Slider-Crank Diagram, Parts, Formula and Uses
Explore slider-crank reciprocating motion. Calculate stroke, connecting-rod length, displacement from TDC and instantaneous piston speed at a selected crank angle.
Oscillating-cylinder Steam Engine: How It Works, Parts, Diagram, Animation and Real Uses
Explore a rocking steam cylinder and direct piston-to-crank connection. Compare indicated power from mean effective pressure, bore, stroke and speed.