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
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
248
CHARACTERISTIC DYNAMOMETER CARDS
BRAKE SHOE TESTING MACHINE
A. B. S.AND F. Co MAHWAH N.J.
TEST No. 18
ACTUAL SPEED €0.2 M.P.H.
- STOP 1018 FT.
EQUATED " ION "
TIME TO . 20.2 SECS.
ACTUAL PER CENT BRAKING POWER 72
NOMINAL - - = • 90
soNnod - 30HS 4V 30803 ONIC&V18
TURE
RISE
1500
1000/
500/
-1-SEC
TIME
SPA RKS
ACTUAL SPEED 29.9 M.P.H.
EQ UATE D
TIME TO
196 "
G G SECS.
A-APPL ICA TION OF BRAKE
B-STARTX
C-MAXIMUM ( SPPAS
D-DECREASING ( SPAS
E-STOP )
TEST Nø. 21
ACTUAL SPEED 592 M.P.H.
", STOP 720 FT.
EQUATED " 739 -
TIME TO " 13.6 SECS.
ACTUAL PER CENT BRAKING POWER 144
NOMINAL "
180
ACTUAL PER CENT BRAKING POWER 120
NOMINAL
150
P.C.I. SOL ID SHOE Ne320
CLASP BRAKE CONDITIONS
WHEEL LOAD 7220 POUNDS
RIGGING EFFICIENCY 100%
TIME
-SEC-
ACTUAL PER CENT BRAKING POWER 120
NOMINAL - - - - - 150
Fig. 149.
BRAKE SHOE TESTING MACHINE.
Typical records.