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.
Ruth's Rotary Engine
Ruth's Rotary Engine explained — abutment geometry, vane sealing, indicated power formula, and a worked steaming example from a heritage textile mill drive.
Rotary Multicylinder Engine
Rotary Multicylinder Engine explained — how multiple cylinders share a common crank to deliver smooth torque for marine, locomotive, and industrial steam drives.
Knickerbocker Four Piston Rotary Engine
How the Knickerbocker four piston rotary steam engine works — geometry, indicated horsepower formula, worked example, and troubleshooting for heritage restorers.
Kipp Rotary Piston Engine
Kipp rotary piston engine explained — how the oscillating piston converts steam pressure to shaft rotation, with sizing math and a heritage demonstration build.
Holly Rotary Engine
Holly Rotary Engine explained — how the eccentric piston and abutment work, real heritage examples, formulas, and a worked horsepower calculation for restorers.
High-speed Tandem Compound Engine
How a high-speed tandem compound steam engine works, with a worked indicated-horsepower example for a marine generator set, plus design tradeoffs and FAQs.
Franchot Rotary Engine
Franchot rotary engine explained — how the double-acting rotating cylinder converts steam into shaft power, with worked example for a heritage marine plant.
Diagonal Twin-screw Engine
Diagonal twin-screw engine explained — how the inclined cylinders drive twin propeller shafts, design formulas, and real marine examples used in steam yachts.
Compound Yacht Engine
Compound yacht engine explained — how two-stage steam expansion drives steam yachts, with formulas, worked example, and restoration-ready specs from FIRGELLI.