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The UIC classification of locomotive axle arrangements, sometimes known as the German classification[ 1] or German system, [ 2][ 3] describes the wheel arrangement of locomotives, multiple units and trams. It is used in much of the world, notable exceptions being the United Kingdom and North America [ a] . The classification system is managed ...
Multiple patterning. Multiple patterning (or multi-patterning) is a class of technologies for manufacturing integrated circuits (ICs), developed for photolithography to enhance the feature density. It is expected to be necessary for the 10 nm and 7 nm node semiconductor processes and beyond.
Cylinder (locomotive) The 'motion' on the left-hand side of 60163 Tornado. The black casting to the left houses the cylinder, in which slides the piston; the piston rod is immediately above the wheel. The cylinder is the power-producing element of the steam engine powering a steam locomotive. The cylinder is made pressure-tight with end covers ...
SADP of a single austenite crystal in a piece of steel. Selected area (electron) diffraction (abbreviated as SAD or SAED) is a crystallographic experimental technique typically performed using a transmission electron microscope (TEM). It is a specific case of electron diffraction used primarily in material science and solid state physics as one ...
The 4-4-2T is the tank locomotive equivalent of a 4-4-0 American type tender locomotive, but with the frame extended to allow for a fuel bunker behind the cab. This necessitated the addition of a trailing truck to support the additional weight at the rear end of the locomotive. As such, the tank version of the 4-4-2 wheel arrangement appeared ...
In June the year before, Alaska Airlines canceled and delayed flights due to record-breaking heat that had raised tarmac temperatures to 130 degrees Fahrenheit in Seattle and Portland and affected ...
Wheel arrangement. In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. [ 1] Several notations exist to describe the wheel assemblies of a locomotive by type, position, and connections, with the adopted notations varying by country.
LMS: 4P. BR: 4MT. Withdrawn. 1960–1967. Disposition. All scrapped. Sir William Stanier 's London, Midland and Scottish Railway (LMS) Class 4P 2-Cylinder 2-6-4T was a class of 206 steam locomotive built between 1935 and 1943. They were based on his LMS 3-Cylinder 2-6-4T .