EditorialModel of a Two-Blade Parabolic Propeller, Model of a two-blade parabolic propeller in a frame on a floorboard. The pressure surface of the propeller blades is curved in the form of a parabola. The screw can be turned with a crank. The model has a pitch...
EditorialModel of a Round-Headed Rudder, Model of the upper part of a rudder with stern and wulf construction, on a floorboard. The rudder head, which is very long and extends to the upper deck, where the hole for the rudder pin is located, jumps forward and is...
EditorialModel of a Rudder with a Rapson Slide, Model of the upper part of a rudder with a round stirring king and parts of an elliptical fence, on a floorboard. The rudder king is bent and has an octagonal top, so that it can be blocked with a locking plate. T...