The raising and lowering could be accomplished by a windlass mechanism or a capstan. In yachting terminology, a winch functions on the same principle as a capstan. One motor with a constant rotational speed drives the capstan. It also had a steam capstan on the foredeck near the mast for hauling nets. Auto-reverse decks employ a capstan and pinch roller for each side. The human-powered motor used a system of ropes that connected the axles to a capstan. The capstan motor was designed for very smooth operation. The deck will be reinforced around deck fittings such as the capstan, cleats, or bollards. It is mechanically related to the capstan seen on ships. Belatedly, Balstrode and the apothecary, Ned Keene, assist Grimes by turning the capstan. All Spirit DataCines use continuous transport motion, using a capstan and constant film tension. Crew and passengers alike were noted to join in at heaving the capstan around. This was a continuous loop of cable or chain which would go around the capstan. The in McGolrick Park, Brooklyn, depicts a sailor from "Monitor" pulling on a capstan. Higher up is an old manual capstan operated by up to 20 men, now disused.