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According to Nathan Okun, the King George V-class battleships had the simplest armour arrangement of all post-WWI capital ships. "Most of the load-bearing portions of the ship were constructed of British Ducol ("D" or "D.1") extra-high-strength silicon-manganese high-tensile construction steel, including the weather deck and the bulkheads."
PPGI refers to factory pre-painted zinc coated steel, where the steel is painted before forming, as opposed to post painting which occurs after forming. The hot dip metallic coating process is also used to manufacture steel sheet and coil with coatings of aluminium, or alloy coatings of zinc/aluminium, zinc/iron and zinc/aluminium/magnesium ...
Dragon – (rare) A corner post supporting a dragon beam in jetty framing. Gunstock, jowled, flared, teasel (rare) – A flared post, larger at the top than the bottom, most commonly found in the side walls but could be any location. Rarely a post may have an "integral bracket" [14] which is a mid-post
A seatpost with offset is necessary when the seat tube angle of the frame is too steep to give the desired saddle setback (the horizontal distance between a plumb line hung from the nose of the saddle and the bottom bracket spindle). Conversely, an "in line" post may be required if the seat tube angle is too slack.
The top of all sails is called the head, the leading edge is called the luff, the trailing edge is the leech, and the bottom edge is the foot. Head – The head is the upper edge of the sail, and is attached at the throat and peak to a gaff, yard, or sprit. [7] For a triangular sail the head refers to the topmost corner.
A sternpost is the upright structural member or post at the aft end of a ship or a boat, [1] [2] to which are attached the transoms and the rearmost part of the stern. [3] The sternpost may either be completely vertical or may be tilted or "raked" slightly aft. [4] It rests on or "fays to" the ship's keel. [1]
The mast of a sailing vessel is a tall spar, or arrangement of spars, erected more or less vertically on the centre-line of a ship or boat. Its purposes include carrying sails , spars, and derricks , giving necessary height to a navigation light , look-out position , signal yard , control position , radio aerial or signal lamp . [ 1 ]
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. The end view of the post creates an obvious T, Y, or ...