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 8x 10% 361 4-29-12 Pennsylvania Railroad Company PHILADELPHIA, BALTIMORE & Washington RAILROAD COMPANY Northern Central Railway Company West Jersey & Seashore Railroad Company SHEET No 7994. , TEST DEPARTMENT Brake Tests - W.J.& S.R.R. ALTOONA, PA 8-22-18.
SUMMARY OF AVERAGES OF SELECTED TESTS. SINGLE SHOE BRAKE. WHEEL LOAD - 15900 LBS.
Percent. Braking Power Actual Shoe pressure Lbs. Speed in M.P.H. Equated stop distance feet Stop Time Sec. Per cent. M.C.F. Pyrometer Temp. Rise Wheel Temp. Hardness
Nom. I Act.
Plain S Solid S 2096.
90 113 ISO 180 150 150 72 90.4 120 144 120 120 11448 14374 19080 22896 19080 19080 60 60 60 60 30 80 1572 1366 1015 880 205 2646 31.44 27.54 20.02 17.06 7.56 40.04 11.61 10.82 11.55 11.25 17.95 7.17 618 724 673 636 142 1128 181 209 189 189 177 219 191 189 187 191 189
Plain Slotted Shoes.
90 113 150 180 150 150 72 90.4 120 144 120 120 11448 14374 19080 22896 19080 19080 60 60 60 60 30 80 1517 1296 985 866 205 2553 30.44 24.60 18.96 16.74 7,32 37.82 12.15 11.35 11.94 11.48 18.35 7.52 535 636 807 800 141 1113 200 228 198 195 166 225 191 190 190 190 188
Plain Solid Shoes (Special hard)
90 113 150 180 72 90.4 120 144 11448 14374 19080 22896 59.6 60.4 61.3 60.5 18 13 1615 1290 1132 33.5 32.7 26.3 22.4 9.96 8.97 8.70 8.34 — 112 115 131 270 259 268
Sheet No. 7994a