articulated two-unit locomotive

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• Articulated locomotive — usually means a steam locomotive with one or more engine units which can move relative to the main frame. This is done to allow a longer locomotive to negotiate tighter curves. Articulated locomotives are generally used either on lines with… …   Wikipedia

• locomotive — locomotively, adv. locomotiveness, locomotivity, n. /loh keuh moh tiv/, n. 1. a self propelled, vehicular engine, powered by steam, a diesel, or electricity, for pulling or, sometimes, pushing a train or individual railroad cars. 2. an organized… …   Universalium

• PRR locomotive classification — Locomotive classification on the Pennsylvania Railroad took several forms. Early on, steam locomotives were given single letter classes. As the 26 letters were quickly assigned, that scheme was abandoned for a more complex system. This was used… …   Wikipedia

• Locomotive — A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco from a place , ablative of locus , place + Medieval Latin motivus , causing motion , and is a shortened form of the term… …   Wikipedia

• Locomotive frame — A locomotive frame is the structure that forms the backbone of the railway locomotive, giving it strength and supporting the superstructure elements such as a cab, boiler or bodywork. The vast majority of locomotives have had a frame structure of …   Wikipedia

• Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …   Wikipedia

• Duplex locomotive — This article is about a type of locomotive. For the Austrian experimental 4 cylinder locomotive, see Locomotive Duplex. Closeup of the second set of cylinders on the PRR S1. A duplex locomotive is a steam locomotive that divides the driving force …   Wikipedia

• Climax locomotive — Fruit Growers Number 3 on display at Fairplex in Pomona, California. A Climax locomotive is a type of geared steam locomotive in which the two steam cylinders were attached to a transmission located under the center of the boiler. This transmits… …   Wikipedia

• Meyer locomotive — Diagram of Meyer articulation system A Meyer locomotive is a type of articulated locomotive. The design was never as popular as the Garratt or Mallet locomotives. It can be best regarded as 19th Century competition for the early compound Mallet… …   Wikipedia

• Compound locomotive — For the principles and other applications of the compound steam engine, see compound engine. De Glehn redirects here. For people and places named Glehn, de Glehn or von Glehn, see Glehn. A compound locomotive is a steam locomotive or engine unit… …   Wikipedia

• Class (locomotive) — refers to a group of locomotives built to a common design for a single railroad. Often members of a particular class had detail variations between individual examples, and these could lead to subclasses. Sometimes technical alterations… …   Wikipedia