Recent Blogs
Watt's Link Rear Suspension: Single-link Geometry Reference
View a Watt-link illustration and compare one tie-link length with vertical travel. Numerical results are single-link angle and setback, not predicted axle motion.
Trailing Arm Suspension: Ideal Wheel-centre Path Calculator
Calculate the side-view circular path of an ideal rigid trailing arm from a horizontal reference. Compare recession, rotation and arc distance, without predicting handling.
Semi-trailing Arm Suspension Mechanism: How It Works, Geometry, Parts & Uses Explained
Semi-trailing arm suspension explained — geometry, camber and toe behaviour, real BMW and Porsche examples, plus a worked sizing example for your build.
Multi-Link Suspension: Five-Link Connection Map and Constraint Rank
Explore a five-link suspension connection map. Calculate remaining wheel-carrier degrees of freedom and redundant constraints from a supplied constraint rank.
MacPherson Strut: Components and Local Wheel-Rate Calculator
Explore MacPherson strut components and calculate the isolated spring contribution to wheel rate, displacement, force and energy using a known local motion ratio.
Hotchkiss Live Axle: Layout and Ideal Shaft Torque
Explore the Hotchkiss live-axle layout, including its open propeller shaft and leaf springs. Calculate ideal shaft torque, axle torque and speed.
Double Wishbone Suspension Mechanism: How It Works, Parts, Geometry & Camber Gain Explained
Explore front-view double-wishbone geometry. Adjust arm reaches, upright spacing and lower-joint bump to calculate camber rate and wheel-centre movement.
De Dion Tube Suspension Mechanism Explained: Parts, Diagram, and Unsprung Mass Calculator
Explore a rigid De Dion tube moving around a chassis-mounted differential. Compare component mass subtotals using a clearly stated halfshaft mass assumption.
Panhard Rod: Exact Rigid-Link Lateral Path
Calculate the lateral position change of an ideal Panhard rod from length, static vertical offset and signed travel. Explore its circular endpoint path.