. Report of draft gear tests, United State Railroad administration, Inspection and test section; . TTme — Seconds. r u I Te^y- Gear CarATes-r Gear CarB ao sing Spe ed Can e£ —Car A l/o 0 1 I 1/ (£r | § /^ I • 5 •.5 -M-A 1 1 f, < D 5 3 1 1 r n u 5 1 f figure72c Jt OS JO JS 20 .25• OOSS ^ec G*ar i L -» —■ SSec- Gear- ffe/ease. 30 .35 <Q .-4s t ~*~*-~ Compression. - a?< »- Sec, £*~<r f*h Gear C ycle. t ITme —Seconds. Figs. 72b and 72c—Car-Movement Curves, Superimposed. Sessions K Curves Drawn by Cars in Tests 154 Draft Gear Tests of the
. Report of draft gear tests, United State Railroad administration, Inspection and test section; . TTme — Seconds. r u I Te^y- Gear CarATes-r Gear CarB ao sing Spe ed Can e£ —Car A l/o 0 1 I 1/ (£r | § /^ I • 5 •.5 -M-A 1 1 f, < D 5 3 1 1 r n u 5 1 f figure72c Jt OS JO JS 20 .25• OOSS ^ec G*ar i L -» —■ SSec- Gear- ffe/ease. 30 .35 <Q .-4s t ~*~*-~ Compression. - a?< »- Sec, £*~<r f*h Gear C ycle. t ITme —Seconds. Figs. 72b and 72c—Car-Movement Curves, Superimposed. Sessions K Curves Drawn by Cars in Tests 154 Draft Gear Tests of the U. S. Railroad Administration. 3- Test Gear No. /2 Geor No. // /n Cor Ve/oc/fv=437 MPN W/ Ft, ?er sec. .1[i if Vs 1 AH ~a 1 x/_ l^J1\j >.y ** s„ 7 SVi! Jjjj i ^ /j Ft per sec. I I l/l ! l/l I / I I TfWlA •/ If i 11 I X ! ! V L -/.36 Ft per sec. fTgure72f Sec ^7«7/- Compress/on *? ./! ? 2 5 30 .35 40 46 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 the-car structure induced by draft gear lines represent the mean velocity curves. Fics. 72d, 72e and 72f—Velocity Curves, Sessions K Gears 60402002040 Draft Gear Tests of the U. S. Railroad Administration 155 FtLbs.
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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921
