Recent Blogs
Lantern Bellows Dry Gas Meter: Animation and Volume Calculator
See how paired bellows drive a dry gas meter’s valve and register spindle. Calculate volume flow from displacement per cycle and cycle rate.
Quasiturbine Patent Topology: Declared Cycle Ledger
Quasiturbine engine explained — rhomboidal rotor geometry, four-stroke phases without crankshaft, real applications in UAV, generator, and detonation research builds.
Hand Pump: Displacement, Flow and Force Calculator | FIRGELLI
Understand a piston lift pump and calculate water per cycle, estimated flow and hydrostatic force from bore, stroke, rate, efficiency and lift height.
Knott Rotary Pump: Historical Eccentric-Piston Layout and Calculator | FIRGELLI
Explore Hiscox’s Knott eccentric-piston pump and calculate flow, ideal torque and hydraulic power from entered displacement and efficiency.
Double-acting Lift and Force Pump: How It Works, Parts, Formula, Diagram and Uses Explained
Explore a vertical four-valve lift-and-force pump. Calculate lower-end, rod-side and complete-cycle swept volumes from bore, rod diameter and stroke.
Double-acting Force Pump Mechanism: How It Works, Diagram, Parts, Uses & Flow Calculator
Explore a four-check-valve double-acting pump. Compare rod-corrected displacement, theoretical mean flow and estimated flow at an entered volumetric efficiency.
Double-acting Differential Pump Mechanism: How It Works, Diagram, Parts, Formula and Uses
Explore a differential pump with a valved lower bucket and linked upper solid plunger. Compare delivery on each stroke, full-cycle displacement and volume balance.