. Train et train de locomotives : un journal pratique de la force motrice ferroviaire et du matériel roulant . plantof the American Locomotive CompanyRecentLes travaux de Schenectady de la même compagnie ont complété une commande de huit moteurs simples de la même conception que ceux construits en 1907, sauf pour l'arrangement de l'engrenage à vannes de Walschaerts. Ces moteurs,qui sont illustrés dans notre demi-ton pour transmettre la liaison TI 1 thi à la tige de valve en TiN- moteur- undi sideration, la valve 1 hambi 1 flfscl i dans .1 thai ih ci nii des liens sont onlj 3 ins, à l'extérieur o) il nti wih e tige. Je lie W

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. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . plantof the American Locomotive CompanyRecently the Schenectady Works ofthe same company completed an orderfor eight simple engines of practicallythe same design as those built in 1907, except for the arrangement of the Walschaerts valve gear. These engines, which are illustrated in our half-tone to transmit the ti 1 thi link to the valve stem In tin- engine- undi sideration, the valve 1 hambi 1 flfscl I in .1 thai ih ci nii of the links are onlj 3 ins, outside o) il nti wih e stem. I he link which is of thebuill up type is 1 ai riel bj a p& ially dei--.ii. I steel casting which is bolted toiln- front of a 1 ro tie, located betwi enthe firsl and ;ei md pair 1 if dm ing ■•and extending outside of them. A long! oilei ... - I up of ■■- I hi re an in all (98 tubi 1= ft. 3 ins.lung, providing a heating surface of3, 158.5 -i- fl ■ ing surface Her being 3, 387 sq. ft I[i 8 in wide, iv ng and has ting surface of 2_X _, sq. ft. and a<|. ft. 1 his gi aboutft. of heating surface in. SIMPLE TEN-WHIT. S. Lloyd. Supt. of .Motive Tower and Equi engraving, have a total weight in work-ing order of 217, 000 lbs. and are, to thebest of our knowledge, the heaviest ten-wheel engines in the world. The cyl-inders of these engines are 22J-S x 26 ins.and the driving wheels are 69 ins. indiameter, and with a boiler pressure of215 lbs. the calculated tractive power ofthe engine amounts to 34.800 lbs. Therigid wheel base is 14 ft. 4 ins., while thetotal wheel base is 25 ft. 6 ins., with thetender added the length of the wheel basecomes up to 55 ft. ij ins. The drivingwheels carry a load of 171, 000 lbs. outof the total of 217.000 lbs., thus leavinga weight of 40000 lbs. on the enginetruck. The driving axle load is here57, 000 lbs. The valve gear, which is the most in-teresting feature of the design, is one ofthe builders latest arrangements, and isan excellent example of a light and sim

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