Mechanisms — Power Transmission

Recent Blogs

Oblique Bevel Gear diagram
Oblique Bevel Gear: Hiscox Right-Angle Out-of-Plane Pair
Explore Hiscox's oblique bevel-gear arrangement on right-angle, out-of-plane shafts. Calculate ideal tooth-count ratio and nominal reference diameters.
Novel Belt Lacing diagram
Novel Belt Lacing: Hiscox Quarter-Turn Crossing Pattern
Explore historical cord lacing for quarter-turn belts. Calculate hole pitch and ideal crossing lengths for an illustrative layout; complete lace allowance is excluded.
Link Transmission diagram
Link Transmission Mechanism: How Four-Bar Linkages Work, Parts, Transmission Angle and Uses
Explore transmission angle at a coupler-to-rocker joint. Calculate normalized tangential and radial force components and compare the angle with a chosen band.
Link Belt and Pulley diagram
Link Belt and Pulley: Modular-Belt Animation and Ratio Calculator
Explore a modular link belt moving around two pulleys. Calculate ideal speed and torque ratios from pitch diameters and examine V-groove force geometry.
Intermittent Transmission diagram
Intermittent Transmission: Geneva Engagement Time Calculator | FIRGELLI
Calculate ideal one-pin external-Geneva step, index and dwell shares, and engagement time at constant driver speed. Settling and operating-speed limits are not calculated.
Interlocking Belt Lacing diagram
Interlocking Belt Lacing: Pull per Width Calculator | FIRGELLI
Convert belt pull and loaded width to pounds per inch, with an optional comparison multiplier. Fastener capacity and product suitability are not calculated.
Hydrostatic Transmission diagram
Hydrostatic Transmission: Displacement-Ratio Calculator | FIRGELLI
Explore signed pump flow and motor speed with a linear displacement assumption, plus torque and power using a fixed illustrative factor. Real component performance is...
Horse-power Tread Wheel diagram
Horse-power Tread Wheel: Static Incline-Force Exercise | FIRGELLI
Resolve an entered weight into its incline-parallel component and calculate rise per 100 horizontal feet. This separate geometry exercise does not predict animal power or...
Horse-power Machine diagram
Horse-power Machine: Historical Platform and Gear-Ratio Exercise | FIRGELLI
Read about Hiscox’s chain-and-platform machine and use a separate external-gear calculator for speed, ideal torque ratio and output period. No power or workload is predicted.
Rope Transmission diagram
Rope Transmission Mechanism: How It Works, Diagram, Parts, Formula and Uses Explained
Rope Transmission explained — how rope drives transmit power between shafts, sizing formulas, real industrial examples, and design tradeoffs vs belt drives.
Helping Crank Over Center diagram
Helping Crank: Phase and Arc Geometry Calculator | FIRGELLI
Compare two ideal crank phases, convert an angular band to arc length, and inspect a normalized sine factor. Available torque, full linkage motion and starting...
Harmonic Drive diagram
Harmonic Drive Mechanism Explained: How Strain Wave Gearing Works, Parts, Formula & Uses
See how a wave generator deforms the flexspline in a strain-wave drive. Calculate reduction ratio and reverse output travel from tooth counts and input turns.
Gyrating Lever Transmission — schematic of the mechanism.
Gyrating Lever Transmission: Coaxial Shaft Animation and Geometry
See a central spherical support and gyrating lever connect two aligned shafts. Calculate crank radius, pin orbit, lever ratio and cone angle.
Geared Horse-power diagram
Geared Horse-Power: Sweep Animation and Power Calculator | FIRGELLI
Explore a historical horse-driven sweep and gear train. Calculate power after three stages using entered efficiencies, with clear limits on the example.
Gear Train diagram
Compound Gear Train: Two-Stage Ratio and Speed Calculator | FIRGELLI
Calculate stage ratios, total ratio and ideal output speed for two external gear pairs linked by a common intermediate shaft. Includes examples and animation.
Gambrel Joint Linkage diagram
Gambrel Joint Linkage Mechanism: How It Works, Parts, Formula and Real-World Uses Explained
Gambrel joint linkage explained — how the folding two-bar knee joint transmits power in barn doors, prosthetic knees, and folding aircraft wings. Specs included.
Full Twist Belt — schematic of the mechanism.
Full Twist Belt: Crossed Drive, Length and Speed
See how a crossed flat belt reverses parallel shafts. Calculate ideal belt length, driven speed and center-distance-to-width ratio from your dimensions.
Frictional Rectilinear Motion diagram
Frictional Rectilinear Motion Mechanism Explained: How It Works, Diagram, Formula & Uses
Frictional rectilinear motion transmits power through pressed surfaces sliding in a straight line. See how it works, formulas, and real industrial uses.
Equalizing Thrust diagram
Equalizing Thrust Mechanism: How It Works, Diagram, Parts, Uses, Formula and Calculator
Explore crossed links connecting a rocking pump beam to a guided rod. Calculate ideal beam travel, lateral sweep, offset ratio and reference pivot moment.
Elastic Spur Gear diagram
Elastic Spur Gear Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
See a toothed rim wind against a spring-coupled shaft center. Calculate relative angle, stored energy, arc displacement and tangential force from supplied stiffness.
Eccentric Crank diagram
Eccentric Crank Mechanism Explained: How It Works, Diagram, Parts, Formula and Uses
Eccentric crank explained — how the offset shaft converts rotary motion into reciprocating linear motion in pumps, presses, and steam locomotive valve gear.
Dual-clutch Transmission diagram
Dual-clutch Transmission Mechanism: How It Works, Parts, Diagram, Formula and Uses Explained
Explore a two-stage dual-clutch upshift with preselected gear pairs. Calculate endpoint speeds, output torque and slip energy with engine-side inertia.
Cycloidal Drive diagram
Cycloidal Drive Mechanism: How It Works, Diagram, Parts, Formula, and Robotics Uses Explained
Explore a cycloidal reducer with an eccentric disc, fixed ring rollers and output pins. Calculate reduction, signed output speed, eccentricity and roller diameter.
Crown Wheel diagram
Crown Wheel Mechanism: How It Works, Diagram, Gear Ratio Formula and Uses Explained
Explore a crown wheel and perpendicular spur pinion. Compare tooth counts, input/output revolutions, speed ratio and ideal torque multiplication.
Cross Lacing diagram
Cross Lacing Mechanism Explained: Figure-8 Flat Belt Drive, Wrap Angle and Capstan Formula
Compare limiting belt tension ratios for crossed and open contact cases using friction and entered wrap angles. This tool does not size the lacing that...