. Report of draft gear tests, United State Railroad administration, Inspection and test section; . M 0 NS^^. ^w& ^ 44,22/JFtWork Done Lbs ^ Absorbea! 1 figure7S/ .05 JC^n/C1 Sec. Gear » J5 .20 .25 30,->->->/ Sec Gear- Re/ease. .35 40 .4, 5 ^■ Compression. 0 335 ^ L Iro-rr Gear Cycle. TTme —Seconds Full lines represent the instantaneous kinetic energy ofthe moving cars. Dotted lines represent the energy stored and absorbedduring the draft-gear cycle. Figs. 75g and 75j—Energy Curves, National M-l Gears Draft Gear Tests of the U. S. Railroad Administration 177. Solidduff


. Report of draft gear tests, United State Railroad administration, Inspection and test section; . M 0 NS^^. ^w& ^ 44,22/JFtWork Done Lbs ^ Absorbea! 1 figure7S/ .05 JC^n/C1 Sec. Gear » J5 .20 .25 30,->->->/ Sec Gear- Re/ease. .35 40 .4, 5 ^■ Compression. 0 335 ^ L Iro-rr Gear Cycle. TTme —Seconds Full lines represent the instantaneous kinetic energy ofthe moving cars. Dotted lines represent the energy stored and absorbedduring the draft-gear cycle. Figs. 75g and 75j—Energy Curves, National M-l Gears Draft Gear Tests of the U. S. Railroad Administration 177. Solidduffer in Car Gear No. 32 in Car Velocity= 45 Sec. Draff Gear Cyc/e O fy)0t lest Gear No. 33 in Cor Gear No. 32 in Car Velocity= I 05 JO J5 .20 0/74 Sec. Gear Re/ease - 30 35 ■40 Sec Gear Compress. Sec. Draff Gear Cyc/e- 600- ■45


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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921