 The Windmill inclined plane was much longer at dropping the level by , while the Hay inclined plane was the steepest, descending in .While the Wrockwardine Wood plane was worked by a steam engine from the start, the engines for the other two planes were not ready when they began operation, and the initial movement of the boats was assisted by horses until 1793, when the engines were commissioned.The canal joined the Ketley Canal at Oakengates.