Wheels brake locked, sparking on the rail is a no-no too; flat spots.
How about a nice hotbox? There are cars that simulate a hotbox bearing.
Sounds andoand smoke too
Warning: this will fast become the most annoying thing you own. About once or twice a year I fire mine up for the smoke feature; sound off.
You can find "hotbox refers", etc. on Youtube and a few old threads to see what it's all about.
