Recent Blogs
Pearsall Hydraulic Ram and Air Compressor: Hiscox 553
Explore Pearsall’s crank-driven hollow piston and ported cylinder. Calculate ideal piston stroke, cycle period, mean piston speed and rod-to-crank ratio.
Pattison Rotary Pump: Hiscox 541 Guided-Wing Mechanism
Explore the Pattison rotary pump’s eccentric and guided wing. Calculate eccentric-center orbit diameter, distance per revolution and speed.
Overshot Water Wheel: Gross Water Power and Geometry
Explore a top-fed overshot wheel. Calculate gross gravitational water power from head and flow, along with wheel circumference and equal bucket spacing.
Multiple-Ring Valve: Concentric Rings and Geometric Curtain Area
Explore the separate concentric rings, springs and seat of a multiple-ring valve. Calculate summed circumference and geometric curtain area from diameter and lift.
Multiple Ball-Valve Manifold: Independent Quarter-Turn Path States
Explore independent two-port ball valves opening and closing. Count commanded open paths, isolated paths, port ends and an illustrative bore-and-pitch envelope.
Mueller Water-Pressure Regulator: Historical Differential-Piston Principle
Explore the historical Mueller cup-piston regulator and calculate ideal static balance pressure from unequal effective piston diameters and opposing spring force.
Montgolfier Hydraulic Ram: Cycle and Energy Balance
Explore a hydraulic ram pump cycle and estimate average delivery flow and hydraulic power from source head, delivery head, drive flow and supplied efficiency.
Hydraulic Model Turbine: Ideal Speed and Discharge Similitude
Explore hydraulic turbine model similarity and calculate ideal prototype speed, discharge ratio and unit speed from diameters, net heads and model rpm.
Miscellaneous Hydraulic Motion Mechanism: How Rotary, Vane and Oscillating Actuators Work
Miscellaneous hydraulic motion covers oddball fluid-power circuits — rotary, oscillating, indexing — used in plant automation, marine gear, and heavy mobile equipment.
Milk Cooler: Product Heat Removal
Explore bulk milk cooling and calculate ideal product heat removal and average thermal load from batch volume, temperature change and cooling time.
Mason Water-pressure Regulator: Historical Diaphragm-and-Spring Operation
Explore the historical Mason regulator and compare ideal diaphragm pressure force with spring force. Calculate a static balance pressure, without valve sizing.
Lift Pump (form 2) Mechanism Explained: How It Works, Diagram, Parts, Uses & Calculator
Explore a bucket pump’s two-valve cycle. Calculate swept volume, delivery with entered efficiency, static suction pressure and ideal water-column power.
Lift and Force Pump Mechanism Explained: How It Works, Parts, Diagram, and Uses
Explore a solid-piston force pump and its two check valves. Calculate estimated delivery, static-head pressure, hydraulic power and ideal piston force.
Leffel Double-runner Turbine: How It Works, Parts, Diagram, and Micro-Hydro Uses Explained
A historical view of the Leffel double-runner turbine's two discharge sections and shared register gate, with a neutral same-head normalized output comparison.
Lancaster Turbine: Downward Flow and Water-Power Calculator | FIRGELLI
Explore the Lancaster turbine with tangential entry, vertical upper blades and downward discharge. Calculate ideal hydraulic power from entered head and flow.
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.
Jonval Turbine: Axial-Flow Illustration and Power Calculator | FIRGELLI
Explore the Jonval guide-and-runner arrangement and calculate hydraulic power, assumed shaft power and torque. Efficiency is entered, and the blade drawing is illustrative.
Iron Overshot Wheel: Flow, Head and Power Calculator | FIRGELLI
Calculate freshwater hydraulic power and shaft power at an assumed efficiency from entered flow and net head. Includes an illustrative wheel; wheel sizing and generator...
Impact Water Wheel: Normalized Velocity-Component Calculator | FIRGELLI
Compare normalized bucket-speed indices and one residual exit-velocity component. Water flow, runner force, torque, power and efficiency are not calculated.
Hydrostatic Jack: Ideal Two-Piston Force and Travel Calculator | FIRGELLI
Calculate ideal area ratio, force, reciprocal travel and direct-piston pressure for two circular hydraulic bores. Handle effort and safe lifting capacity are not calculated.
Hydraulic Valve: Spool and Bore Diameter Calculator | FIRGELLI
Calculate nominal bore diameter from spool diameter and stated diametral clearance. Suitable tolerance, leakage and cylinder drift are not calculated.
Hydraulic Transmission: Ideal Piston Force, Travel and Work | FIRGELLI
Calculate ideal full-bore piston force, travel from displaced volume and constant-pressure work. Flow rate, cycle time and complete hydraulic-system efficiency are not calculated.
Hydraulic Transfer Jack: Ideal Area-Ratio Calculator | FIRGELLI
Compare ideal input and output force for two equal-pressure piston areas, with reciprocal travel explained. Pressure, usable stroke and lifting capacity are not calculated.
Hydraulic Sprinkler Head: Metric K-Factor Calculator | FIRGELLI
Check Q = K√P in metric units and divide the result by a hypothetical uniform area. Spray coverage, activation and fire-protection system design are not...
Hydraulic Ram: Pump Context and Cylinder Force Calculator | FIRGELLI
Distinguish the hydraulic ram pump from a hydraulic cylinder, and calculate ideal full-bore cylinder force. Pump delivery and equipment capacity are not calculated.