Recent Blogs
Ten-wheel Freight Locomotive: Historical Tractive-force Estimate
Explore the 4-6-0 wheel arrangement and a historical starting-force estimate from cylinder size, pressure and driver diameter. Actual train capacity is not predicted.
Single-Cylinder Locomotive: Centre-Crank Animation and Leverage Calculator
Watch a single-cylinder locomotive centre crank, piston and crosshead. Compare ideal crank leverage at two selected angles and distance from dead centre.
Passenger Locomotive Eight-Wheeler: 4-4-0 Rolling Layout
Explore the American 4-4-0 locomotive arrangement. Calculate leading-wheel and coupled-driver rpm from wheel diameters and train speed under ideal rolling.
Freight Locomotive: Wheel–Rail Adhesion Calculator | FIRGELLI
Estimate an ideal adhesion limit from powered axle count, axle load and an assumed wheel–rail coefficient, with clear distinctions from locomotive ratings.