Withdrawal of Propeller shaft, survey and assembly propeller shaft Withdrawal,survey assembly propeller shaft Withdrawal,survey assembly .All large single screw ocean going ships have solid flanged propeller shafts, which necessitates the withdrawal of the shaft within the machinery The Rudder is ;positioned just behind the propeller and hence prevents the outward withdrawal of the shaft…Details
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Ship Anchor – Complete Information Introduction The anchoring equipment of a ship comprises the anchor, anchor chain and the windlass. The anchoring equipment as required herewith is intended for temporary mooring of a ship within a harbour or sheltered area when the ship is awaiting berth, tide etc. The modern ship’s anchor is called ‘Stock-less …Details
Load Line Regulations INTRODUCTION The Load line regulations have a long history of over 140 years. They were introduced in the British parliament by Lord Plimsoll, in the year 1854 and finally passed in 1876 as the first merchant shipping Act. As per this Act all Merchant ships were required to have a Load line…Details
How watertightness of watertight bulkhead maintained where bulkheads are pierced by longitudinal beams or pipes
How watertightness of watertight bulkhead maintained where bulkheads are pierced by longitudinal beams or pipes. The watertight bulkheads are provided in the ship for the following purposes; Strength: provide major resistance to hogging, sagging, racking, water pressure etc. Separation – segregates incompatible cargoes and dissimilar compartments. Safety (fire) – provide main vertical zones for the…Details
ISM code and certificates under ISM code ISM code certificates under ISM code – ISM Code applies to all passenger vessels and other vessels of 500 GT and above. The Directorate General of Shipping (For indian ship, Others by respective flag state) issues certification under ISM Code for Indian flag vessels on satisfactory verification of…Details
ROTARY VANE STEERING GEAR – Rotary vane steering gear is usually fitted with 3 fixed vanes and 3 moving vanes and can turn to 700 of total rudder movement i.e 350 on each side. – Three fixed and three moving vanes are usual and permit a total rudder angle of 70’, i.e. 35° in…Details