Railway and Locomotive Engineering . which relieved thecar body from all strain other than thenormal one of carrying its load. A blue print in the book of car diagramsof the company indicates the weight ofthe latest pattern of eight wheel coal hop-pers to have been 12,800 pounds, and theircapacity 26,000 pounds, and a Superin-tendent of Motive Power of the Baltimore& Ohio R. R., now dead, stated to thewriter, that the old Winans camel engineshauled 45 loaded eight wheel coal hop-pers, from Piedmont to North Mountain,on that road. It is also the fact that theseeight wheel hoppers were built for
Railway and Locomotive Engineering . which relieved thecar body from all strain other than thenormal one of carrying its load. A blue print in the book of car diagramsof the company indicates the weight ofthe latest pattern of eight wheel coal hop-pers to have been 12,800 pounds, and theircapacity 26,000 pounds, and a Superin-tendent of Motive Power of the Baltimore& Ohio R. R., now dead, stated to thewriter, that the old Winans camel engineshauled 45 loaded eight wheel coal hop-pers, from Piedmont to North Mountain,on that road. It is also the fact that theseeight wheel hoppers were built for theremarkably low sum of $375. The six wheel coal hoppers, with twobody sections, as shown in an earlier printof a Baltimore & Ohio drawing. No. 46,Case 59 (not dated), differed from theeight wheel hoppers above described, bothin dimensions and in structural details,among others, in having iron underframesand leaf springs. Their wheel base wasonly 6 feet 8 inches; length of body, 10feet 1 inch; diameter of body sections, 6. The journal boxes of the two a.\les ateach end of the car were bolted to pairsof equalizers, 5 x J^ inches, which passedthrough hangers, bolted to the side sillsand extending downwardly between thewheels of the two end axles. The under-frame was supported on the equalizersby rubber springs, fitted in the equalizerhangers. The wheels were 31 inches indiameter, and the axle journals 3 car body was 14 feet long over all, feet 6 inches; length of frame. 11 feet 3inches; and height above rail, 6 feet SJ/jinches. In view of the practical experience ofRoss Winans in the construction and op-eration of both locomotive and car equip-ment, it is reasonable to accept, as correct,the statement made by him in the specifi-cation of his Patent No. 5175, to the effectthat a car on the old mode of construc-tion could not be made to carry a load greater than its own weight, and if thisis the fact, the great improvement whichwas brought about by his coal hopperwould
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