wheel-rail adhesion
21World War II — the war between the Axis and the Allies, beginning on September 1, 1939, with the German invasion of Poland and ending with the surrender of Germany on May 8, 1945, and of Japan on August 14, 1945. Abbr.: WWII * * * or Second World War (1939–45)… …
22locomotive — 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… …
23Monorail history — The term monorail or industrial monorail is used to describe any number of transport systems in which a chair or carrier is suspended from, or rides on, an overhead rail structure. Unlike the well known duo rail system, there are many rail guided …
24Locomotive — 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… …
25Mountain railway — The Heritage Nilgiri Mountain Railway, Lovedale …
26Snowdon Mountain Railway — Rheilffordd yr Wyddfa Half way up the Mountain Overview …
27PRR S1 — Infobox Locomotive name=Pennsylvania Railroad S1 powertype=Steam caption=Industrial designer Raymond Loewy stands on the front of the S1 railroad=Pennsylvania Railroad gauge=RailGauge|ussg|lk=on builder=Pennsylvania Railroad serialnumber=Altoona… …
28List of GE locomotives — The following is a list of locomotives produced by GE Transportation Systems. All were/are built at Erie, Pennsylvania, in the United States. Most (except the electrics, the switchers, the AC6000CW, and the Evolution series) are powered by… …
29Nottingham and District Tramways Company Limited — was a tramway operator from 1875 to 1897 based in Nottingham in the United Kingdom. Contents 1 Nottingham Tramways Company 1872 1875 2 Nottingham and District Tramways Company Limited 1875 1897 2.1 …
30Rolling resistance — Figure 1  Hard wheel rolling on and deforming a soft surface, resulting in the reaction force from the surface having a component that opposes the motion. Rolling resistance, sometimes called rolling friction or rolling drag, is the… …
