. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . secondcoupled axle at a slope of i in 48; theconnecting rods measure 11 ft. 3 centers. The slide valves areof the Adams balanced type, actuatedby the ordinary curved link motion; asthe links arc in front of the leadingcoupled axle, the eccentric rods arecurved in a portion of their length to with a depth at front of 5 ft. 7% ins.,and at back, of 4 ft. 7^ ins. The gratearea is 26 sq. ft., of which the fire boxcontributes sq. ft. and the tubes1, sq. ft. There are four 4 i
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . secondcoupled axle at a slope of i in 48; theconnecting rods measure 11 ft. 3 centers. The slide valves areof the Adams balanced type, actuatedby the ordinary curved link motion; asthe links arc in front of the leadingcoupled axle, the eccentric rods arecurved in a portion of their length to with a depth at front of 5 ft. 7% ins.,and at back, of 4 ft. 7^ ins. The gratearea is 26 sq. ft., of which the fire boxcontributes sq. ft. and the tubes1, sq. ft. There are four 4 valves of a modified Ramsbot-tom pattern, which are adjusted toblow off at 180 lbs. per sq. in., thoughthe boiler is designed to carry a work-ing pressure of 200 lbs. These engines are provided withsteam sanding apparatus, delivering infront of the leading pair of coupledwheels; vacuum automatic brake fit-tings for working the train brakes; 40mm. ejectors on the foot plate, with avalve for operating the steam brakewhich controls the coupled and trail-ing wheels of the engine, and the ten-. .\ TVPE P.^SSENGER ENGINE ON THE GRE-iT CENTRAL OF diameter as the drivers, forming a sixcoupled design. In all other respectsthe two series are identical, and it is,we understand, the designers () intention to test the twotypes on similar trains, and so obtainvaluable relative data as to coal con-sumption, repairs and other items ofcost as regards the Atlantic and tenwheel pattern respectively. They aredesigned to work the heavy passengerexcursion services between London,Manchester and Grimsby. From the reproduction it will be seenthat these locomotives are designed ongenerous lines, and reach almost theextreme limits permissible by the load-ing gauge. The leading bogie is of thesame pattern as was adopted in thesix coupled engines last, having wheels clear the axle in extreme fore andback gear; they measure 8 ft. 11V2 center; screw
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