the 30,000 pound pendulum hammer. Fig. 3 showsthe 30,000 pound movable car to which the sills anddraft gear are attached for tests; and Fig. 4 shows 73 m u P X. heC o m I be 311 THE CARMANS HELPER another view of the car with sills attached and the re-cording instrument which shows pounds pressure… … Fig. 4—View of Car with Sills Attached and Also the Recording Instrument. 212 THE DRAFT GEAR ■■ Heightof Drop Speed in Inches F. P. S. M. P. H. 1 2.31 1.58 2 3.27 2.23 3 4.01 2.73 4 4.63 3.16 5 5.18 3.53 6 5.67 3.87 7 6.13 4.18 8 6.55 4.46 9 6.95 4.73 10 7.32 4.99 11 7.68 5.23 12 8.02 5.46 13 8.35…
Railroad cars · Railroads
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