. The Street railway journal . -2%- Specifications for Spring Load 2 lliB. Streds Wcao Dlam.^l I)iaui. Wire Ny ISBi SGauje Length uDder Uiad ■*, No. Colb V2 Deflection Free Length *J,(jj Pltcl. .17 .^ I 1. CONSTRUCTION DETAILS OF TEST GAGE FOR RAIL VIBRATION harmonize with that offered by Mr. Panton, it would seemthat the unequal drive of the axles on an unsymmetricaltruck must impose a greater load on the track and thusset up vibrations which would not occur on the same trackif the rolling stock was properly designed or the founda-tions rigid enough. Mr. Panton also says that it t
. The Street railway journal . -2%- Specifications for Spring Load 2 lliB. Streds Wcao Dlam.^l I)iaui. Wire Ny ISBi SGauje Length uDder Uiad ■*, No. Colb V2 Deflection Free Length *J,(jj Pltcl. .17 .^ I 1. CONSTRUCTION DETAILS OF TEST GAGE FOR RAIL VIBRATION harmonize with that offered by Mr. Panton, it would seemthat the unequal drive of the axles on an unsymmetricaltruck must impose a greater load on the track and thusset up vibrations which would not occur on the same trackif the rolling stock was properly designed or the founda-tions rigid enough. Mr. Panton also says that it takes on an average threeyears to develop corrugations on a new system, that beingthe usual period elapsing before the rolling stock has be-come badly out of square. Looked at in another way, one TEST C;AGK for rail VIi!R.\TI()i\ USED IN PHILADELPHIA twelve months, while the adjoining rigid track under thesame traffic was unaffected. To prove whether or not the corrugations were due toa lateral bending or vibration of the rail, Mr. Nichols de-I vised the instrument shown in the ac- companying cuts. It will be noted thatthe frame may be rigidly clamped to thebase of the rail, and that the vertical armis provided
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
