Voith Schneider Propeller
The Voith Schneider Propeller (VSP) is a specialized marine propulsion system (MPS) manufactured by the Voith Group based on a cyclorotor design. It is highly maneuverable, being able to change the direction of its thrust almost instantaneously. It is widely used on tugs and ferries. The Voith Schneider drive was invented by Ernst Schneider. It has been developed and produced by Voith in Heidenheim an der Brenz and St. Pölten since 1926.