. American engineer . ron bushings in the cylinder and valve chambers, resultingin a saving of about 4,000 lbs. as compared with cast iron cylin-ders having inside steam pipes. .-\lso with the trailer truckwhere a saving of nearly 3,000 lbs. was effected by improveddesign, .^gain the use of the pressed steel bumper beam andpilot saved 1,500 lbs. as compared with the cast steel bumper Weights. f ^ ^ Paits. 50,000. Loco. X. Frame cross ties (2) 1,380 lb*. 1,630 lbs. Link supports 1,014 lbs. 1,350 lbs. Link yoke 7J0 lbs. 1,058 lbs. Link yoke bracket 180 lbs. 540 lbs. Bumper bracket lbs. 1,5
. American engineer . ron bushings in the cylinder and valve chambers, resultingin a saving of about 4,000 lbs. as compared with cast iron cylin-ders having inside steam pipes. .-\lso with the trailer truckwhere a saving of nearly 3,000 lbs. was effected by improveddesign, .^gain the use of the pressed steel bumper beam andpilot saved 1,500 lbs. as compared with the cast steel bumper Weights. f ^ ^ Paits. 50,000. Loco. X. Frame cross ties (2) 1,380 lb*. 1,630 lbs. Link supports 1,014 lbs. 1,350 lbs. Link yoke 7J0 lbs. 1,058 lbs. Link yoke bracket 180 lbs. 540 lbs. Bumper bracket lbs. 1,580 lbs. Equalizer fulcrum 554 lbs. 1,148 lbs. Front bumper 575 lbs. 1,750 lbs. Pilot 343 lbs. 700 lbs. beam and wooden pilot. Similar methods were followed through-out the whole design, as is illustrated in the accompanying ta-ble, with the most gratifying results, not only in saving of weight,but of actual improvement and strengthening of the various \s an indication of what was accomplished in saving weight. Maximum Power Per Unit of Weight Was the Object of the Design of This Locomotive. sign incorporates a number of innovations, several of whichhave, even in the short time which this locomotive has been inservice, proved to be so great an advance that they have alreadybeen applied to other locomotives built by this company and cannow- almost be regarded as standard practice. This is particu-larly noticeable in the case of the outside steam pipes connect-ing to the top of the steam chest. The advantage of this ar-rangement is so apparent as to meet with practically universaladoption on recent orders. Maximum sustained capacity of course means maximum boilercapacity, and every effort was made to hold the weight of allother parts of the locomotive to the minimum, both by the use ofimproved designs and of the very best quality of materials, sothat the boiler could be enlarged without exceeding conservative *For illustrated description see American Engineer, October, 19
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