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A steel fence post, also called (depending on design or country) a T-post, a Y-post, or variants on star post, is a type of fence post or picket. They are made of steel and are sometimes manufactured using durable rail steel. They can be used to support various types of wire or wire mesh.
Bitts are paired vertical wooden or metal posts mounted either aboard a ship or on a wharf, pier, or quay. The posts are used to secure mooring lines, ropes, hawsers, or cables. [1] Bitts aboard wooden sailing ships (sometime called cable-bitts) were large vertical timbers mortised into the keel and used as the anchor cable attachment point. [2]
Galvanized steel was common for the first half of the 20th century, continuing as an inexpensive option to its 1960s successor material—stainless steel cables and rods. In the late 20th Century, racing yachts adopted composite fiber lines for standing rigging, with the goal of reducing weight and windage aloft. [3]
The multi-chine hull approximates a curved hull form. It has less drag than a flat-bottom boat. Multi chines are more complex to build but produce a more seaworthy hull form. They are usually displacement hulls. V or arc-bottom chine boats have a V shape between 6° and 23°. This is called the deadrise angle. The flatter shape of a 6-degree ...
A California man who was ordered to keep his boat out of sight has had the last laugh, by commissioning an artist to paint a realistic image of it on the fence that obscures it.
Edit 2 Original color scheme and dots, fixed captions in arial font and reduced pointer line thickness Reason Great picture with great encyclopedic value Proposed caption A tugboat, or tug, is a boat used to maneuver large ships in harbours, over the open sea, or through rivers and canals. They also tow barges, disabled ships, and oil rigs ...
Cathodic protection was first described by Sir Humphry Davy in a series of papers presented to the Royal Society [2] in London in 1824. The first application was to HMS Samarang [3] in 1824. Sacrificial anodes made from iron attached to the copper sheath of the hull below the waterline dramatically reduced the corrosion rate of the copper.
Lofting is particularly useful in boat building, when it is used to draw and cut pieces for hulls and keels. These are usually curved, often in three dimensions . Loftsmen at the mould lofts of shipyards were responsible for taking the dimensions and details from drawings and plans, and translating this information into templates, battens ...