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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397
M. P.479-B 4 Pennsylvania Railroad Company PHILADELPHIA, Baltimore & WASHINGTON Railroad COMPANY NORTHERN CENTRAL RAILWAY COMPANY WEST JERSEY & SEASHORE RAILROAD COMPANY SHEET No. 7997. TEST DEPARTMENT Brake Tests - W.J.& S.R.R. Altoona. PA.: 8-22-13.
SUMMARY OF AVERAGES CLASP BRAKE WHEEL LOAD - 7220 LB.
Shoe No. Bearing Area Sq.In. Pressure per sq.in. bearing area Lbs. Actual Speed M.P.H. Actual Stop Ft. Equated Stop Ft. Stop Tine Seo. Per cent. M.C.F. Temp. Rise
Speed - 80 M.P.K. Shoe Press. - 8664 Lbe. % B.P. Aovunil : 120
498 711 23.2 373.4 80.2 1914 1905 29.2 10.53 405•
20764 20765 23.2 373.4 80.5 2069 2037 28.5 9.65 349°
5 6 62.32 140.6 80.2 1561 1554 22.3 13.02 232°
3 4 63.95 136.3 80.8 1493 1460 21.8 13.77 216°
1 2 37.21 236.1 80.2 1486 1475 21.5 13.73 306°
Speed 30 M.P.H. Shoe Press. - 8664 she. % B.P. Actual - 120
498 711 12.63 686.0 30.6 188 181 6.3 23.51 74°
20764 20765 12.95 679.8 30.5 200 190 6.6 21.47 53°
5 6 34.9 247.6 30.5 164 159 4.8 29.35 59*
3 4 40.6 215 5 30.1 146 145 4.6 30.57 216*
1 2 23.9 363.9 30.4 164 161 5.7 28.07 79°
Tests on shoe No. 97 omitted from averages of plain shoes 1/2 area fall length. • SHEET