The cheapest energy is the energy you don’t use
"Approximately one third of motors are equipped with friction belt drives. The performance and efficiency of many belt drives can be improved through...
The history of the Oudewater lock goes back to 1334. The lock was renovated in 1995 and mechanized so the operation of the locks cost less manpower. In 2016, again the sluice was renovated and re-equipped with drive-systems allowing boaters to operate the lock themselfs. The lock in Oudewater is provided with ADE electro-mechanical actuators, for the movement of the doors as well for the lock paddles.