Improved arrangement for rotatable planes working in a current, such as rudders, blades of variable pitch, screw propellors, pumps, turbines, sails for ships and like rotatable planes
GB221186A
Improvements in or relating to bodies acting by fluid reaction for driving, supporting and other purposes
DE429087C
Drive device, e.g. B. for ships
DE420840C
Method for generating the transverse drive on transverse drive bodies, e.g. B. on sailing ships
DE411867C
Arrangement for rotating surfaces, especially rudders of ships
DE405703C
Multi-wing rudder
DE398378C
Balancing rudder arrangement for ships
DE462869C
Arrangement for self-propelled watercraft
DE401821C
Arrangement for damping the rolling movement of ships
DE405701C
Setting up sail areas, especially ships
DE420059C
Device for the transmission of adjustment movements
DE483057C
Propeller in which shorter auxiliary blades are arranged between the main blades
