• CONTINOUS HATCHWAY

    CHENG

    ‘Continuous hatchways’ may be treated as a trunk in the freeboard computation, oncondition that the provisions of Reg. 36 (6) are complied with in all respects.” InterpretationGenerally two types of […]

    Know More

  • HATCHWAY

    CHENG

    GENERAL The resistance to longitudinal stress is much reduced in theway of hatches, on account of the large amount of material which must be cut out of the deck. Stress […]

    Know More

  • RUDDER CHECKS AND INSPECTION

    CHENG

    RUDDER INSPECTIN IS CARRIED OUT IN DRYDOCK TO CHECK ITS INTEGRITY IS STILL INTACT OR NOT. FOLLOWING CHECKS ARE CARRIED OUT IN RUDDER:-  WHEN DOCKING IS TAKING PLACE AND WATER […]

    Know More

  • Hawsepipe

    CHENG

    Hawsepipes may be made of cast steel, in which case they are usually cast from wooden models made in place in the ship. they are now often built up of […]

    Know More

  • Bulwark And Freeing Ports

    CHENG

    Bulwark:- It is planking at the side of the ship to protect the passengers and crew from falling to sea. Bulwark should not be welded to the sheerstrake to the […]

    Know More

  • Stern Tubes

    CHENG

    The purpose of stern tube are to support the shaft and to make water tight joint where shaft enter the hull. Fitting:- At the fore end of the tube there […]

    Know More

  • Stern frames

    CHENG

    The upper part of the stern of a ship extends abaft of the rudder post. And there is special arrangement of framing to support it. This framing is mainly carried […]

    Know More

  • Rudder

    CHENG

    Rudders originally consisted of single plate,with supporting arms riveted to either sides. This is called single plate rudder which has been superseded by double plate rudders which are normally streamlined […]

    Know More

  • Types of floor

    CHENG

    We read alot about the types of floor in many books of ship construction but most of the time we are not able to visualise as to how different types […]

    Know More

  • Types of ships

    CHENG

    1. Flush decked ship:- is the original type in which the upper deck is also the freeboard deck. 2. Three island ship:- is one in which machinery casing is raised […]

    Know More