. Official proceedings . ^^^^^^^^^^^^^^^^^^^^^^ ^ Ft^TEJV or r£ST//VC ifyK/^M£ ARRANGEMENT OF APPARATUS FOR TESTING THE FRICTIONAL RESISTANCEOF CAR WHEELS TO ARRANGEMENT OF APPARATUS TO TEST THE FRICTIONAL RESISTANCE OFCAR WHEELS TO SKIDDING. action due to the wheel revolving faster than the car is moving,and the other is a skidding action due to the stoppage of therotation of the wheel while the car is in motion over the order to reproduce this action in the laboratory the two piecesof apparatus shown were used. The wheel and the rail are putin here. In one case the top pa
. Official proceedings . ^^^^^^^^^^^^^^^^^^^^^^ ^ Ft^TEJV or r£ST//VC ifyK/^M£ ARRANGEMENT OF APPARATUS FOR TESTING THE FRICTIONAL RESISTANCEOF CAR WHEELS TO ARRANGEMENT OF APPARATUS TO TEST THE FRICTIONAL RESISTANCE OFCAR WHEELS TO SKIDDING. action due to the wheel revolving faster than the car is moving,and the other is a skidding action due to the stoppage of therotation of the wheel while the car is in motion over the order to reproduce this action in the laboratory the two piecesof apparatus shown were used. The wheel and the rail are putin here. In one case the top part is cut out so as to be concen- 2,2 Proceedings Railway Club of Iittsburgh. trie with the tread, and the plung-er comes down on it with abearing piece that is also cut concentric, allowing for the dif-ference in radius, the two being separated by two rollers so thatthe slight motion of the head due to pulling on the eye bolt wouldturn the wheel on the rail as though it were spinning and keepit in place. The other one is held down as in the lower figureand the rollers were put above it and it is simply pulled used two testing machines. With one I pu
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Keywords: ., bookauthorrailwayc, bookcentury1900, bookdecade1900, bookyear1901
