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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396
M. P. 470-B 8x10% 361 4-29-12 Pennsylvania Railroad Company Philadelphia. BALTIMORE & WASHINGTON RAILROAD COMPANY Northern Central Railway Company West JERSEY & Seashore Railroad Company SHEET NO 7996. TEST DEPARTMENT Brake Tests - W.J.& S.R.R. _ Altoona, PA 8-22-13.
SUMMARY OP AVERAGES. CLASP BRAKE. WHEEL LOAD - 7220 LBS.
Shoe No. Bearing Area Sq.In. Pressure per sq. in. bear Ing area Lbs. Actual Speed M.P.H. Actual Stop Pt. Equated Stop pt. Stop Time Seo. Per cent. M.C.F. Temp. Rise
. Nominal - 90 Speed - 60 M.P.H. Shoe Press. - 5198 Lbs. % B.P. Actual - 72
498 711 19.68 269.3 60.2 926 920 18.25 21.21 228°
20764 20765 18.28 287.9 60.2 881 874 17.1 22.80 165’
5 6 51.19 104.0 60.5 880 868 16.51 22.81 139°
3 4 50.61 104.5 60.2 835 829 15.88 23.83 136°
1 2 31.1 168.3 60.5 857 842 15.98 23.14 196*
Speed- , Nominal — 150 60 M.P.H. Shoe Press. - 8664 Lbs. “5 B.P. Actual - 120
498 711 22.23 391.2 60.2 701 700 13.55 18.22 221°
20764 20765 19.90 442.2 60.2 708 702 13.12 18.06 148°
5 6 54.13 162.4 59.9 658 666 12.2 19.59 125°
3 4 53.11 166.2 59.8 606 610 11.52 20.87 130°
1 2 34.46 253.8 60.2 656 652 12.27 19.03 165°
. Nominal - 180 Speed - 60 M.P.H. Shoe Press. - 10397 Lbs. % B.P. - Actual - 144
498 711 22.7 455.4 60.4 664 657 12.2 16.24 235°
20764 20765 20.90 498.7 60.0 648 648 11.7 17.02 165°
5 6 53.81 196.0 60.1 598 597 10.9 18.13 156*
3 4 60.5 175.4 60.3 557 552 10.2 19.41 151°
1 2 35.99 209.7 60.3 590 585 10.84 18.14 195°
NOTE:- Tests on shoe No. 97 omitted from averages 7996 of plain shoes 1/2 area full length. Sheet No 2