Very eloquently explained.
Believe it or not, trains, real or model, don’t use the flanges to keep them on the track. While the flanges do come into play, its the taper on the wheels that keep them between the rails. The late Richard Feynman does a great job explaining the reason for this.
About the Author:
I'm your host, Tim Warris, a product developer in Port Dover, Ontario. Since March of 2007 I have been documenting the construction of the former CNJ Bronx Terminal in HO scale. For my day job, I design track building tools for Fast Tracks, a small company I own and operate. Fast Tracks makes it fast and easy to hand lay your own trackwork. Stop by our website to learn more!