. Brake tests; a report of a series of road tests of brakes on passenger equipment cars made at Absecon, New Jersey, in 1913 . he eflficiency of the rigging through which the weights were appliedto the shoe of the test machine was, practically, 100 per cent. It wasdecided therefore that much time could be saved by computing the 248 CHARACnmSTIC DYNAflOflETER CARDS ?AKE SHOE TESTING HACHINE 20001500 1(^00 /SOO / TcnpcR^TuRC mse Tins -¥sa*^ SPARKS ABC D i 1 A. B. ^o F. Co flAHWAH 3SO0 rj3^^...wv_^._^^^^ 50002500200015001000500 / ntlPCFIATURE RISC ^ Ai-sccY Tine V~b SPARKS c a c rcsT Nt.
. Brake tests; a report of a series of road tests of brakes on passenger equipment cars made at Absecon, New Jersey, in 1913 . he eflficiency of the rigging through which the weights were appliedto the shoe of the test machine was, practically, 100 per cent. It wasdecided therefore that much time could be saved by computing the 248 CHARACnmSTIC DYNAflOflETER CARDS ?AKE SHOE TESTING HACHINE 20001500 1(^00 /SOO / TcnpcR^TuRC mse Tins -¥sa*^ SPARKS ABC D i 1 A. B. ^o F. Co flAHWAH 3SO0 rj3^^...wv_^._^^^^ 50002500200015001000500 / ntlPCFIATURE RISC ^ Ai-sccY Tine V~b SPARKS c a c rcsT Nt. la ACTUAL SP£CD STOP 1018 FT[QUATED - I Oil ■■ Tins TO S£cs. ACTUAL PCR CCNT BRAKINC POWCR 7^NOfllNAL - - - - <?(J A -APPl ICA TION or BPAKSB-START \ c-riAxinun \ O-OCCRCASINC ( e-sTOP ) ■ SPARKS TCST ACTUAL SPC[0 nPH. STOP 720 rr. CaUATCO ■■ 73 9 ■ Tine To sees. ACTUAL PCR CCNT BRAKINC POWER 144 NoniNAL ■■ •• lao TfS T N„. 5 ACTUAL SPCCD STOP lis rr CaUATCO ■■ 196 ■■ Tine TO ■■ eesecs. ACTUAL pep CCNT BRAKINC POWER ISONOniNAL ,. - , . ISO. P C. I SOL ID S:-IOE BRAK€ CONDITIONSWHEEL LOAD 7220 POUNDSRIGGING EfriCIENCY 100% TEST N,. 2 ACTUAL SPEED COS STOP 7e< rr eaUATCD ■■ 756 ■■ Tine TO ISO SEcs ACTUAL PERCENT BRAKINC POWER IZONOniNAL - - . - - ISO JSM ^« iooo SSOi)3000ISOOlOOOSOO ^ TCnPERATURE RISE ACTUAL SPEED 801 STOP 8159 ■ 2154 ■■ Tins TO ■ 3ZB sees. TEST N= J Tins -\l-SEC \ ACTUAL PCR CCNT BRAKINGNOniNAL - POWER 120ISO SPARKS \ ^ r 1 Fig. 149. BRAKE SHOE TESTING records. 249 mean coefficient of friction from the data of speed and length of stopfrom the point of equivalent instantaneous application, as measured onthe card, instead of determining the mean coefficient of friction by in-tegrating the entire indicator card. The mean coefficient of friction asrecorded in the log was computed from the speed and this stop dis
Size: 1399px × 1786px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidbraketestsre, bookyear1913
