. Railway mechanical engineer . bogies are also fittedwith the American swinging link arrangement. The next engines to be considered are in use on the NorthEastern which forms the middle link in the East Coast routebetween London (Kings Cross) and Scotland. The NorthEastern provides the power for running the joint stock trains weights. In England, engines of this type weigh about 60tons and carry 39 tons on the coupled axles. The North Eastern 4-4-2 type engine illustrated is perhapsone of the most interesting of modern express is representative of a class designed by V. L. Rave
. Railway mechanical engineer . bogies are also fittedwith the American swinging link arrangement. The next engines to be considered are in use on the NorthEastern which forms the middle link in the East Coast routebetween London (Kings Cross) and Scotland. The NorthEastern provides the power for running the joint stock trains weights. In England, engines of this type weigh about 60tons and carry 39 tons on the coupled axles. The North Eastern 4-4-2 type engine illustrated is perhapsone of the most interesting of modern express is representative of a class designed by V. L. Raven, thepresent chief mechanical engineer, to deal with the most im-portant traffic. It has three cylinders placed in line acrossthe front of the engine, driving on the leading coupled axlewith cranks at 1 20 deg. They are cast together in one piece,together with their valve chests. The valve chests for theoutside cylinders are at the side of their respective cylindersand the center cylinder has its valve chest on the top. Piston. Great Western Six-Coupled, Two-Cylinder, Superheater Locomotive between York and Berwick, and it is upon this servicethat the two engines illustrated are utilized. The four-coupled engine was introduced some few years ago byW. Worsdell, and indicates an engine which reaches dimen-sions approaching the maximum possible with this wheelarrangement. The cylinders placed between the frames arearranged with their axis inclined slightly upwards and thepiston valves are on the top of the cylinders placed withtheir center line inclined downwards to the center of thecrank axle; thus the valves can be worked direct by the valvemotion which in this case is the ordinary Stephenson gear, valves are used, operated direct by the ordinary double eccen-tric valve motion, the whole arrangement being particularlyneat and calling for some clever designing. The single throwcrank axle has circular crank webs common to all NorthEastern engines. This enables the crank axles to
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
