. American engineer and railroad journal . ooqo CO < l <<r zrr UJ I-cou. Norfolk & Western Railway. Following their interesting development of. metal in theircar construction, the Norfolk & Western has put into ser-vice the first of a lot of 100 forty-ton box-cars with steel upperand under frames, known as the B. G. class. The accom-panying drawings illustrate the frames which constitute theprincipal features of this car. The chief dimensions are asfollows: 40-Ton Steel Frame Box Car.Norfolk & Western Railway. Weight, empty 38,000 lbs. Light weight in per cent, of total loaded weight

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. American engineer and railroad journal . ooqo CO < _l <<r zrr UJ I-cou. Norfolk & Western Railway. Following their interesting development of. metal in theircar construction, the Norfolk & Western has put into ser-vice the first of a lot of 100 forty-ton box-cars with steel upperand under frames, known as the B. G. class. The accom-panying drawings illustrate the frames which constitute theprincipal features of this car. The chief dimensions are asfollows: 40-Ton Steel Frame Box Car.Norfolk & Western Railway. Weight, empty 38, 000 lbs. Light weight in per cent, of total loaded weight 32.2 Length inside 36 ft. Length over side sills 36 ft. 9% ins. Width inside 8 ft. 6 Ins. Height inside 7 ft. 6 Ins. Distance between center of trucks 27 ft. Center sills 15 in., 33 lb. channels Side sills 8 in., 11 % lb. channels Posts and braces 3 in., 5 lb. channels Corner posts 3 in. x 4 in. x % in. angles End posts 4 in., 7% lb. I-beam Side plates 3 jn., x ZVi in. x 5-16 In. angles End plates 4 )n._ 514 u, . channels Underframe diagonals 6 ill. X 3% in. x % in.