If the sprocket is positioned in the chain drive for stabilization, chain rerouting, or additional friction, it is known as an idler sprocket. Some roller chain transmissions feature a derailleur, ...

The inspiration for this came from [Arthur Ganson]’s Machine With Roller Chain sculpture (video, embeded below). The original uses a metal chain and is motor-driven, but [davemoneysign] was ...

Although sprockets can engage any perforated material, they are primarily used with roller chain. Chain drives can be highly efficient and reliable in applications with limited shock and torque loads, ...