Glossary · equipment
Ball track
The rim groove the ball runs along before it slows and falls. Also: upper track.
In context
The dealer launches the ballequipmentBallThe small ball launched along the track against the rotor. Modern balls are ivorine or Teflon, 18–21 mm.Read full → into the track against the rotorequipmentRotorThe spinning part of the wheel that carries the pockets.Read full →’s direction; it circles 10 to 20 times before dropping.
Did you know
Modern tracks are made with a shallow lip so that worn tracks cannot develop a “drop zone” that favors one side of the wheel.