The relation between inclination of wheel to rail (as seen in plan) and radius of curve, for a 4-wheeled bogie (W3)

The following report is an application of the results of Reports W.1 and W.2, which are concerned with the relation between inclination of wheel to rail and derailing tendency. The case considered here is that of a four-wheeled bogie with 7'6" wheelbase and 40 inch wheels, curving with correct superelevation...