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Grain Cube (or Grain Capacity) – The maximum space available for cargo measured in cubic metres or feet, the measurement being taken to the inside of the shell plating of the ship or to the outside of the frames and to the top of the beam or underside of the deck plating. It is a measurement of capacity for cargoes such as grain, where the ...
In piston engines, static compression ratio is determined using the cylinder volume when the piston is at the top and bottom of its travel. The compression ratio is the ratio between the maximum and minimum volume during the compression stage of the power cycle in a piston or Wankel engine.
Traditionally, various measurement rules have been in use, giving various measures in long tons. [1] Today, tonnes are more commonly used. [citation needed] Ship displacement varies by a vessel's degree of load, from its empty weight as designed (known as "lightweight tonnage" [2]) to its maximum load. Numerous specific terms are used to ...
Engine displacement is the measure of the cylinder volume swept by all of the pistons of a piston engine, excluding the combustion chambers. [1] It is commonly used as an expression of an engine's size, and by extension as an indicator of the power (through mean effective pressure and rotational speed ) an engine might be capable of producing ...
Often used to distinguish between the length of a vessel including projections (e.g. bow sprits, etc.) from the length of the hull itself, the Length on Deck or LOD is often reported. This is especially useful for smaller sailing vessels, as their LOA can be significantly different from their LOD.
The camber is a measure of lateral main deck curvature in naval architecture. The curve is applied to a deck transversely, measured as the height of deck at centreline above the height of deck at side. The practice of adding camber to a ship's deck originated in the era of small sailing ships.
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At a basic level, it is typically calculated in metres using the formula: Charted Depth − Draft-/+ Height of Tide = UKC. [3] Ship masters and deck officers can obtain the depth of water from Electronic navigational charts. [2] More dynamic or advanced calculations include safety margins for manoeuvring effects and squat. [7]