Installation method of double-angle steering oar device and ship propelled by double-angle steering oar

The invention relates to the technical field of ship construction, and discloses an installation method of a double-angle steering oar device and a ship propelled by a double-angle steering oar. The installation method of the double-angle steering oar device comprises the steps that at least three first installation holes which are evenly formed in the circumferential direction of an installation flange at intervals are selected from a plurality of first installation holes, and guide pins are arranged in the first installation holes; the double-angle steering oar device is lifted, so that the guide pins are arranged in the corresponding second mounting holes in a penetrating mode; connecting the first mounting hole without the guide pin with the second mounting hole; and the guide pin is taken down, and the remaining first mounting holes are connected with the second mounting holes. Guide pins are arranged, and firstly, the guide pins are installed in at least three first installation holes which are evenly f