Steel later became the favorite metal to use in the center section, and brass was still used for the pans. Brass tubing both round and square is still used for hinges, and other similar uses. Break - That part of a race where there is no racing. Also, if a part breaks on your car, there is no more racing. Break out - A drag racing term used when the competitor goes faster than his dial in thus losing the race.
Exception is when both cars break out.
Then the competitor breaking out the least is determined the winner. Bridge - That portion of a slot car track which crosses over itself. Brushes - There are lots of brushes used on a slot car. There is the motor brush, which provides the electrical contact to the commutator. There is the braid brush that is used to comb out the braid.