Test should be proceed under good meteorologic conditions and sea condition, Keep the cruise、ship speed and main engine revolution of the vessel stable before trial, Rudder angle should keep at center position.

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Suitable numbers of zinc anodes shall be fitted on the hull below the waterline surface, areas around the propeller, on the rudder, sea chest, bilge keel and so on.

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The rudder I made had a camber of of an inch.

舵我提出了曲面6.3的一英寸。

The bottom rudder (part 2) is connected to a soldered clevis ...

底部舵（第2部分）是連接到一個焊接

The top rudder control arm will be connected to a threaded clevis ...

頂端舵控制手臂將連接到一個線程

Take a 4-40 rod with a clevis on one end and push it through the hole you drilled in the middle of the rudder bracket.

采取4-40桿與叉一端无翼乌邪恶全彩女教师，推動通過你鉆洞中舵支架婷婷激情永久就去吻亚洲综合。

Application of closed-loop gain shaping algorithm in rudder roll damping system.

閉環(huán)增益成形算法在舵阻搖系統(tǒng)中的應用。

Rigging and fitting my Mast and Sails; for I finish'd them very compleat, making a small Stay, and a Sail, or Foresail to it, to assist, if we should turn to Windward; and which was more than all, I fix'd a Rudder to the Stern of her, to steer with; and though I was but a bungling Shipwright, yet as I knew the Usefulness, and even Necessity of such a Thing, I apply'd my self with so much Pains to do it, that at last I brought it to pass; though considering the many dull Contrivances I had for it that sail'd, I think it cost me almost as much Labour as making the Boat.

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Adopt the method of quantitative and qualitative analysis, the thesis inquires into maneuvering efficiency of the lateral thruster correspond to the different operating conditions of zero speed, low speed and crabbing motion, and the vessel"s crabbing motion under the propeller, the lateral thruster and the rudder"s united control as well as the regression formula.

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