. Report of draft gear tests, United State Railroad administration, Inspection and test section; . Soiid Buffer in Car A Tesf Gear in CarB impact VeiocJty= 326 M&H 8060 9Q740FtL bs. Test Gear No. /Sin Car A lest Gear Afo. /4 in CarB irrpacf Vefocitv—430 CarrV^ 20 ^^S .300 Ft Lbs. CarB^ *~5,030Ft L bs. 0 \ V \ K figure76/ 40 •^ Work ? 35,660 Ft Absorbed 1 .05 ./OTj0/-y Sbc Goar Compression J5 .20 .35 .30 .3m /loo^» Sec Gear Re/ease. 5 40 45 D347^ Sec. Draff- Gear Cyc/t. - —J Itme — Seconds Full lines represent the instantaneous kinetic energy ofthe moving cars. D
. Report of draft gear tests, United State Railroad administration, Inspection and test section; . Soiid Buffer in Car A Tesf Gear in CarB impact VeiocJty= 326 M&H 8060 9Q740FtL bs. Test Gear No. /Sin Car A lest Gear Afo. /4 in CarB irrpacf Vefocitv—430 CarrV^ 20 ^^S .300 Ft Lbs. CarB^ *~5,030Ft L bs. 0 \ V \ K figure76/ 40 •^ Work ? 35,660 Ft Absorbed 1 .05 ./OTj0/-y Sbc Goar Compression J5 .20 .35 .30 .3m /loo^» Sec Gear Re/ease. 5 40 45 D347^ Sec. Draff- Gear Cyc/t. - —J Itme — Seconds Full lines represent the instantaneous kinetic energy ofthe moving cars. Dotted lines represent the energy stored and absorbedduring the draft-gear cycle. Figs. 76g and 76j—Energy Curves, Sessions Jumbo Gears 184 Draft Gear Tests of the U. S. Railroad Administration 600 500 400 3C0. 200 300r * 200- 7est Gear No. /S /n Car Gear No. /4 /r? Car Ve/oc/tv±/.Q5 MPfi. iog- . Cor, JO Sec Gear Compress/on .15 .20 -Sec. Gear Pe/sase- .25 30 35 40 0290 Sec. Draff Gear Cyc/e- 700 45
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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921
