Recent Blogs
Steam Hoisting Engine
How a Steam Hoisting Engine lifts ore and miners up a vertical shaft — drum sizing, rope speed, named installations, and a worked example for...
Toe and Lifter for Puppet Valves
Toe and lifter for puppet valves — how Cornish and beam-engine valve gear lifts the equilibrium puppet valve, with a worked example for a pumping...
Double-beat Disc Valve
Double-beat Disc Valve explained: balanced twin-seat design used in waterworks pumps and control valves. How it works, sizing formula, worked example.
Compound Beam Pumping Engine
How a Compound Beam Pumping Engine works — the walking-beam linkage, high-pressure and low-pressure cylinders, and real waterworks and oilfield uses.
Valve Gear of a Cornish Engine
Understand Cornish engine valve gear — how the steam, equilibrium and exhaust valves are tripped by tappets and plug rod to drive single-acting pumping engines.