. Report of draft gear tests, United State Railroad administration, Inspection and test section; . Tesf Gear No. 42 //? Car Gear No. 4/ /n Car 3Impact ]fc/oc/ty=356km idftk i ^sOTrfxat TV ZarA V^V ^ 9 Ft per sec CorS-xf S*^W^-^a -j *-//7 Ft per^ec. T figure6/f as /b Sec Gear Compress/on ■15 2t 1 2i Sec Gear £Gear Cyc/e -, 30 35 40 45 * 0//4 * ■•* Sec Draft 7/me—Seconds Dotted lines represent instantaneous car velocities as de-termined from the original car-movement curves. The irregularities are due in general to vibrations of thecar structure induced by draft gear
. Report of draft gear tests, United State Railroad administration, Inspection and test section; . Tesf Gear No. 42 //? Car Gear No. 4/ /n Car 3Impact ]fc/oc/ty=356km idftk i ^sOTrfxat TV ZarA V^V ^ 9 Ft per sec CorS-xf S*^W^-^a -j *-//7 Ft per^ec. T figure6/f as /b Sec Gear Compress/on ■15 2t 1 2i Sec Gear £Gear Cyc/e -, 30 35 40 45 * 0//4 * ■•* Sec Draft 7/me—Seconds Dotted lines represent instantaneous car velocities as de-termined from the original car-movement curves. The irregularities are due in general to vibrations of thecar structure induced by draft gear lines represent the mean velocity curves. Figs. 81d, 81e and 81f—Velocity Curves, Gould No. 175 Gears 218 Draft Gear Tests of the U. S. Railroad Administration. -0327 Sec. Draff Gear Cyc/e~ 7/me--Seconds Full lines represent the instantaneous kinetic energy ofthe moving cars. Dotted lines represent the energy stored and absorbedduring the draft gear cycle. Figs. 81c, 81h and 81j—Energy Curves, Gould No. 175 Gears Draft Gear Tests of the U. S. Railroad Administration 219
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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921
