. Report of draft gear tests, United State Railroad administration, Inspection and test section; . Sdiicf Buffer in CarA Test Gear No. // ih Car 8 iirpacf Vehctj-y= MPH. FtLbs -6J96 Ft. Lbs. ^30735 Ft Absorbed figure72g -~ Sec. Sear Co/r, 0JS5 Sec Gear Re/east?0$&Sec. Praft Gear Cyc/e— 25 30 35 40 45 Test Gear No. /2 /h Car A Test Gear No. // /n CarQ Anpact Velocity- — /JO Test Gear No. /2 in Car A Test Gear No. // in CarB jhpacf Vetocfty— 437 Time — Seconds Full lines represent the instantaneous kinetic energy of themoving cars. Figs. 72g and 72j—Energy
. Report of draft gear tests, United State Railroad administration, Inspection and test section; . Sdiicf Buffer in CarA Test Gear No. // ih Car 8 iirpacf Vehctj-y= MPH. FtLbs -6J96 Ft. Lbs. ^30735 Ft Absorbed figure72g -~ Sec. Sear Co/r, 0JS5 Sec Gear Re/east?0$&Sec. Praft Gear Cyc/e— 25 30 35 40 45 Test Gear No. /2 /h Car A Test Gear No. // /n CarQ Anpact Velocity- — /JO Test Gear No. /2 in Car A Test Gear No. // in CarB jhpacf Vetocfty— 437 Time — Seconds Full lines represent the instantaneous kinetic energy of themoving cars. Figs. 72g and 72j—Energy Curves, Sessions K Gears Dotted lines represent the energy stored and absorbedluring the draft gear cycle. 156 Draft Gear Tests of the U. S. Railroad Administration 700 So/to* Buffer fn Cor A nTest Gear No. // /nCor 8. t/mpoct Ve/oc/ty= 600 500400 WO figure7ek * .05 JC 7 ./£ .20 25 .30 35 40 4S 1 Sec. Gear Cor— repress.(Sec. Draff Gear Cyc/i 300 20C\ Test GeorNo. /2 /r? Cor /ru est Ve/oc/, ?/i. too ^05 JO ./5 . Sec. Gear Re/ease ■ 25 30 35 40 45 Sec. Gear Compress. —■ Sec Draft Sea, Cyc/e- 100 Test Gedr No. /2 /n Car /r? Ve/oaty=437 MP//. 600500400 200 /oo figure7em 0 Sec. Gear Compress/on /0 .£ 5 20 25 .30 35 40 45 Sec Draff Gee tr Cyc/e Figs. 72k and 72m—Time-Force Curves, Se
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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921
