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Articulated Locomotives

Nature volume 128, page 289 (22 August 1931) | Download Citation



AN articulated locomotive is a locomotive in which one or more of the driven axles are able to take up positions where they do not remain parallel to the others and may take angular positions in curves. Such locomotives, once rarely seen, are now found on many railways. The causes for this are the need for more powerful locomotives, the need for using heavy locomotives on lines with permanent way of insufficient strength, and the demand for locomotives of sufficient flexibility to negotiate curves of small radius. Well-known forms of articulated locomotives include the Fairlie, the Mallet, and the Garratt.

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