Recent Blogs
Tandem Compound Vertical Engine
Tandem compound vertical engine explained — how stacked HP and LP cylinders on one piston rod doubled marine and pumping efficiency. Diagrams, formulas, examples.
Disappearing Gun Moncrief Model
How the Moncrieff disappearing gun carriage works — counterweight recoil, hydraulic buffers, and the geometry that hid 19th-century coastal artillery from naval fire.
Napuer Rotary Engine
How the Napier Rotary Engine works, its design history, worked example calculating power output, plus tradeoffs vs reciprocating steam engines for marine use.
Cochrane Rotary Engine
How the Cochrane Rotary Engine works — vane geometry, port timing, sealing tolerances, and a worked sizing example for heritage steam plant restoration.