Slot cars use magnets that help hold the cars on the track
75% of 44 rail cars.
there is track width (measured from mid rail to mid rail) and track gauge (measured from inside rail to inside rail. As that is the most important size of track, that is normally the distances referenced to. normal distance for track gauge is 1435 mm
The wheels have flanges on the inside edges, they keep the wheels on the rail. The wheels would not stay on the tracks without the flanges.
I reckon it is for aerodynamics so the car can have more speed and stay on the track.
rail, railway,track,ehhgine
for train road
39ft, historically, unless it's CWT track (more modern high-speed rail continuous-welded-track).
58kl
The top of the track is rounded, and the wheels on the train are also slightly rounded, at any one time there is only the surface area of a dime touching the rail, this along with incredible weight and the flange on the wheel keep the train on the track.
Rail cars are categorized as grain cars (covered hopper cars most often carrying grain), boxcars, gondolas, and intermodal cars, which carry products in a trailer or container.
Unloading rail cars can be dangerous. The contents may be heavy and fall on someone, the rail car may move and cause injury as well.