. American engineer and railroad journal . some of these classes. STEEL CARS—PENNSYLVANIA OF CAPACITIES. , • Capacity ^ Class. Box. Heap. Total. Pounds. Weight. Go 933 cu. ft. 175 cu. ft. 1,X08 cu. ft. 35,200 lbs. Gm cu. ft. 203 cu. ft. 2,064 cu. ft. 100,000 Gl ft. 225 cu. ft. 1,897 cu. ft. 100,000 39,150 !bs. El Flat car 80,000 31,500 lbs. XL Boxcar 100,000 45,300 lbs. Rp Refrigerator car 90,000 Fm Plat car 40,000 lbs: Gr 824CU. ft. 247CU. ft. 1,071 cu. ft. 100,000 44,000 lbs. Gs cu. ft. 266 cu. ft. 1,597 cu. ft. 38,400 lbs
. American engineer and railroad journal . some of these classes. STEEL CARS—PENNSYLVANIA OF CAPACITIES. , • Capacity ^ Class. Box. Heap. Total. Pounds. Weight. Go 933 cu. ft. 175 cu. ft. 1,X08 cu. ft. 35,200 lbs. Gm cu. ft. 203 cu. ft. 2,064 cu. ft. 100,000 Gl ft. 225 cu. ft. 1,897 cu. ft. 100,000 39,150 !bs. El Flat car 80,000 31,500 lbs. XL Boxcar 100,000 45,300 lbs. Rp Refrigerator car 90,000 Fm Plat car 40,000 lbs: Gr 824CU. ft. 247CU. ft. 1,071 cu. ft. 100,000 44,000 lbs. Gs cu. ft. 266 cu. ft. 1,597 cu. ft. 38,400 lbs. GSA 1,379 cu. ft. 266 cu. ft. 1,645 cu. ft. 100,000 40,200 lbs. GSB ft. 262cu. ft. 1,575 cu. ft. Gsc 1,361 CU. ft. 262 cu. ft. 1,623 cu. ft. 100,000 39,800 lbs. Next in order came the Fl, an 80,000 lbs. capacity flat was experimental and served to supply a great deal of in-formation with reference to deflection and twisting of sillsunder loads. Class Xl is the box car which was designed --J l< 9ii;«^— I. Class Gr. before other designs were put into the form of construction. Anumber of experimental trucks were used and a careful watchwas kept as to the performance of details. In the light of thisexperience several new car designs were prepared. An ex-amination of the drawings indicates that these were basedmore or less closely upon a general scheme, which may besaid to embody: (1) A backbone of two sills with cover plates,reaching nearly the full distance between the end sills. (2)Diaphragms in the bolsters with cover plates at top and bot-tom. (3) Bolsters 10 ins. deep at the center, with one top andone bottom cover plate. The bottom plate is wide at the center,to act as a gusset. (4) Two very heavy cross-bearers 24 , to compel the sills to act together. These are used onlyon gondolas and flat cars, which are designed to carry con-centrated loads. They are also used on Gs cars which do nothave side sills. In this case they are used fo
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
