. Report of draft gear tests, United State Railroad administration, Inspection and test section; . .05 f tf j5 ^ychJ Compression °/h So/tcf Buffer /n Car ATest Gear Car 3 . q-?Sj1 §bo. Orcrfj- Gear Cyc/e. 77me— Seconds .45 Fig. 75a- -Car-Movement Curves, Superimposed. National M-l GearsThese Curves Drawn by Cars in Test 174 Draft Gear Tests of the U. S. Railroad Administration 6 i Test Gear No. 33 /n CarATest Gear Car3 $ i Nomina/ /mpoci- Ve/oc/ty ? It CarB Car* Car* 1 *^ ^^ \J -1 1; ■^t% <3 5 figure7S6 * ? * & /O S5 .20 n ,-,„ See. Gear* f?e/ease. .25 •30 .
. Report of draft gear tests, United State Railroad administration, Inspection and test section; . .05 f tf j5 ^ychJ Compression °/h So/tcf Buffer /n Car ATest Gear Car 3 . q-?Sj1 §bo. Orcrfj- Gear Cyc/e. 77me— Seconds .45 Fig. 75a- -Car-Movement Curves, Superimposed. National M-l GearsThese Curves Drawn by Cars in Test 174 Draft Gear Tests of the U. S. Railroad Administration 6 i Test Gear No. 33 /n CarATest Gear Car3 $ i Nomina/ /mpoci- Ve/oc/ty ? It CarB Car* Car* 1 *^ ^^ \J -1 1; ■^t% <3 5 figure7S6 * ? * & /O S5 .20 n ,-,„ See. Gear* f?e/ease. .25 •30 .35 .40 .45 Compression. - -o. ze 6 Sec Drar ff- Gear- Gya/e. /4. Test Gear in Car -ATest Gear CarS 17me — Seconds. Figs. 75b and 75c—Car-Movement Curves, Superimposed. National M-l GearsThese Curves Drawn by Cars in Test Draft Gear Tests of the U. S. Railroad Administration 175
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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1920, bookyear1921
