. Report of draft gear tests, United State Railroad administration, Inspection and test section; . 77me — Seconds Figs. 71b and 71c—Car-Movement Curves, Superimposed. National H-l GearsThese Curves Drawn by Cars in Tests Draft Gear Tests of the U. S. Railroad Administration 147 i. So//d Buffer /n Cor Geor No. 29 /r? Cor Vefoc/ty= MPH -30 figure7fcf 40 .15 20 .250/68 Sec. Geor Fe/eose Sec. Draff Geor Cyc/e lest Geor No. 30 fn Cor Geor No. 29 fn Cor Ve/oc/fVf/./<4 Mm 10 Ft per sec. *-Q40 Ftper sec. figure7/e .30 .35 40 45 fest Geor No. 30 /nTest Geor
. Report of draft gear tests, United State Railroad administration, Inspection and test section; . 77me — Seconds Figs. 71b and 71c—Car-Movement Curves, Superimposed. National H-l GearsThese Curves Drawn by Cars in Tests Draft Gear Tests of the U. S. Railroad Administration 147 i. So//d Buffer /n Cor Geor No. 29 /r? Cor Vefoc/ty= MPH -30 figure7fcf 40 .15 20 .250/68 Sec. Geor Fe/eose Sec. Draff Geor Cyc/e lest Geor No. 30 fn Cor Geor No. 29 fn Cor Ve/oc/fVf/./<4 Mm 10 Ft per sec. *-Q40 Ftper sec. figure7/e .30 .35 40 45 fest Geor No. 30 /nTest Geor No. 29 InImpact \Ze/oc/7y= &~A 0r& mm
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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921
