What is a secondary keel placed beneath the bilge or at the outer end of the floor?

sister keel
Bilge keel. A secondary keel placed beneath the bilge or at the outer end of the floor. Sometimes called a sister keel.

Which approach is best for shipbuilding?

Today’s naval shipbuilders must innovate to drive down costs, deal with increasing complexity and deliver new growth. Digital reinvention is their only option for achieving this. The best approach for shipbuilding is Industry X combined with a comprehensive view of the shipbuilding lifecycle.

What are the parts of a ship called?

While common visible parts of a ship are; rudder, anchor, bow, keel, accommodation, propeller, mast, bridge, hatch covers, and bow thrusters. On another hand invisible but structural part of the ship consists of; bulkheads, frames, cargo holds, hopper tank, double bottom, girders, cofferdams, side shell, etc.

What are buttock lines in a ship?

Buttock-line meaning (aviation, ship-building) A curve indicating the shape of an airfoil or nautical equivalent in a vertical plane parallel to the longitudinal axis of the craft or vessel.

What are keel lines?

Definition of keel line : the bottom or lowest line of a boat especially along the keel.

What is the ceiling in a boat called?

The floors of a ship are called decks, the walls are called bulkheads, and the stairs are called ladders. There are no halls or corridors in a ship, only passageways. There are no ceilings in a room, only the overhead in the compartment.

Which city is famous for shipbuilding?

Four major ship building centres in India are located at Vishakhapatnam, Kolkata, Kochi and Mumbai! India ranks second among the Asian countries next only to Japan in terms of shipping tonnage.

What is the inside bottom of a ship called?

Underside: The underside of a boat is the portion of the hull that touches the water. It is also known as the bottom of the vessel.

What is the bottom part of a ship called?

The bottom of the boat is called hull. It is the part which directly comes in contact with the water. Hull can again be divided into two parts, which are the bow and stern. The bow is the front part of the hull while the stern is the rear part.

Where is the buttock line?

A buttock line is a width measurement left or right of, and parallel to, the vertical centerline.

Why is it called the Plimsoll line?

The Merchant Shipping Act of 1876 made load lines compulsory, but it wasn’t until 1894 that the position of the line was fixed by law. In 1906, foreign ships were also required to carry a load line if they visited British ports. Since then, the line has been known in Britain as the Plimsoll Line.