71716 ⎘
Steering; Slowing-down otherwise than by use of propulsive elements ; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements; Steering by rudders; Rudders comprising two or more rigidly interconnected mutually spaced blades pivotable about a common rudder shaft, e.g. parallel twin blades mounted on a pivotable supporting frame
Steering mechanism for a boat having a planing hull
#2Steering mechanism for a boat having a planing hull
#3Dual differential rudder system
#4Steering mechanism for a boat having a planing hull
#5MULTI-FUNCTION AUXILIARY RUDDER SYSTEM FOR JET PROPELLED WATERCRAFTS
#6Rudder and ship-like object having such a rudder
#7Rudder device for a hydrojet vessel
#8Rudder device for a hydrojet vessel