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A herringbone gear, a specific type of double helical gear, [1] is a side-to-side, rather than face-to-face, combination of two helical gears of opposite hands. [2] From the top, each helical groove of this gear looks like the letter V, and many together form a herringbone pattern (resembling the bones of a fish such as a herring).
Old School RuneScape is a massively multiplayer online role-playing game (MMORPG), developed and published by Jagex.The game was released on 16 February 2013. When Old School RuneScape launched, it began as an August 2007 version of the game RuneScape, which was highly popular prior to the launch of RuneScape 3.
Engineer's blue is prepared by mixing Prussian blue with a non-drying oily material (for example, grease).The coloured oil is rubbed onto a reference surface, and the workpiece is then rubbed against the coloured reference; the transfer (by contact) of the pigment indicates the position of high spots on the workpiece or conversely highlight low points. [1]
Due to their length and weight, which was typically at least 1.4 m (4 ft 7 in) and around 2 kg (4.4 lb), Zweihänders required two hands, as the name implies; as such they require at least 25 cm (9.8 in) for the hilt. [2] Zweihänders that were 4 kg (8.8 lb) in weight or more were confined to parade and ceremonial use. [citation needed]
This planetary gear train consists of a sun gear (yellow), planet gears (blue) and carrier (green) inside a ring gear (red) An epicyclic gear train (also known as a planetary gearset) is a gear reduction assembly consisting of two gears mounted so that the center of one gear (the "planet") revolves around the center of the other (the "sun").
And, if the output gear has fewer teeth than the input gear, then the gear train reduces the input torque. If the output gear of a gear train rotates more slowly than the input gear, then the gear train is called a speed reducer (Force multiplier). In this case, because the output gear must have more teeth than the input gear, the speed reducer ...
An example of the stainless steel Engineer's Ring issued by the Order of the Engineer The ring is worn on the little finger of the dominant hand.. The Engineer's Ring is a ring worn by members of the Order of the Engineer, an American fellowship of engineers who must be a certified Professional Engineer or graduated from an accredited engineering program (or be within one academic year of ...
Many were suitable for use in one hand, while others were larger and were deployed two-handed. Axes designed for warfare ranged in weight from just over 0.5 to 3 kg (1 to 7 lb), and in length from just over 30 cm (1 ft) to upwards of 150 cm (5 ft), as in the case of the Danish axe or the sparth axe .