Brake Tests
År: 1913
Forlag: Pensylvania Railroad Company
Sted: Altoona, Penna.
Sider: 401
A Report Of A Series Of Road Tests Of Brakes On Passanger Equipment Cars Made At Absecon, New Jersey, In 1913
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M. P. 479-B
Pennsylvania Railroad Company
PHILADELPHIA, BALTIMORE & Washington RAILROAD COMPANY
NORTHERN CENTRAL Railway Company
West Jersey & Seashore Railroad Company
SHEET No. 7993. TEST DEPARTMENT
8:10%
351 4-29-12
Brake Tests - V. J. & S. R. R. Altoona PA 8-22-13.
SUMMARY OF AVERAGES or SELECTED TESTS, CLASP BRAKE. WHEEL LOAD - 7220 LBS.
Percent. Brak ing Power Actual Shoe pressure Lbs. Speed in M.P.H. Equated stop distance feet Stop Time Sec. 1 Per cent. M.C.F. Pyrometer Temp. Rise Wheel Temp. Hardness
Nom. I Act.
Plain Solid Shoes.
90 113 150 180 150 150 72 90.4 120 144 120 120 5198 6527 8664 10397 8664 8664 60 60 60 60 30 80 1016 851 740 681 187 2076 20.14 16.52 14.21 13.29 6.54 30.73 19.14 18.41 16.76 14.87 22.72 9.51 294 253 424 381 112 681 187 163 137 159 110 149 192 191 182 192 188 189
Plain Slotted Shoes.
90 113 150 180 150 150 72 90.4 120 144 120 120 5198 6527 8664 10397 8664 8664 60 60 60 60 30 80 927 808 692 671 180 1929 18.12 15.70 13.53 12.68 6.58 29.31 21.09 19.92 18.05 15.71 23.95 10.28 270 271 411 247 164 473 155 174 128 170 114 156 189 189 181 189 185 186
Plain Solid Shoes (Special hard)
90 113 150 180 72 90.4 120 144 5198 6527 8664 10397 60.9 60.3 59.4 60.1 1322 1146 898 1003 17.8 19.3 13.96 13.03 13.05 9.57 — 186 . 172 113 210 275 271 269
SHEET No.7993.--