general/marine-propulsion

Steerable propulsion pod under a watercraft

Experimental wind-powered vehicle

Electric drive azimuth thruster

Use of a ship's propelling mechanism to develop thrust in a retrograde direction

Two-compression-ignition-engine, one-drive shaft propulsion

Compression-ignition engine plus turbine connected to one drive shaft

Marine propulsion system

Marine propulsion system

Two-turbine, one-shaft marine propulsion

Vehicle propulsion using electromagnetic fields

Modification of the combined diesel and gas propulsion system for ships

Form of marine propulsion

Marine propulsion system

Ship with Flettner rotors as sails

Steerable marine drive system

Variable-camber aerodynamic structure

Non-steerable propeller drive leg

Marine propulsion system

Room or platform from which a ship can be commanded

Kettle heated by steam from boat engine

Systems for generating thrust for ships and boats on water

Compression-ignition engine plus turbine connected to one drive shaft

Type of ship propulsion system

Mechanical device to propel a vessel

Vessel powered by a wind turbine

Speed at which the wavelength of a vessel's bow wave is equal to the waterline length