20

H.—24

Results of Tests— continued.

Mean Retardation. Acceleration' Total ! Retardation due to Retardation due to CarGravity : of Car: resistance: Feet Feet Feet per Second 2 , per Second 2 , per Second' 2 . Total Mean Retardation Retardingdue force of Sand _ to Brakes : : Brakes : Feet ] per Cent, per Second 2 , j Car-weight. Remarks. Speed of Car. No. of Test. Miles per Feet per Hour. Second. Time: Seconds. Length of Stop: Feet. By Time : By Distance:! I Feet per Feet per i Second'. Second 2 . Grade, lin I i _J Table 18. Brake-test at,—, Dates: ... .,, H, «„ * « ■ " " q , 20-6 3045 ! 4-2 81-0 j 7-17 I 5-62 I 155-3 j 0-206! 5-826 | 0-32 | 5-506 17-20 Yes Rail good. !0 22 5 33-00 4-8 I 83-0 6-88 6-55 155-3 0-206 6-756 0-32 6-436 20-15 „ }? So 5-20 5-2 101-0 6-76 6-13 155-3 0-206 : 6-336 | 0-32 6-016 18-80 „ 2 224 ' 32-S 4-6 83-0 7-05 6-33 155-3 0-206 6-536 0-32 6-216 19-43 „ I 5 23-2 34-00 4-6 91-0 7-40 6-35 155-3 0-206 I 6-556 0-32 6-236 19-50 »t skid I?' 2?2 34-00 5-4 121-0 6-30 4-75 155-3 0-206 4-956 0-32 4-636 14-50 No ; Flash and skvd. 5 SI 33-10 4-4 85-5 7-52 6-40 155-3 0-206 6-606 0-32 6-286 19-60 Yes j Ra,l good. g g$ 1.25 t-6 92-5 7-23 5-95 155-3 0-206 | 0-32 J5-836 18-20J „ 6-220 .. 5-890 ! 18-42 Mean .. . • • • • • ! .. i • • Table 19. Brake-test at Dnnedin. Date: 18th May, 1910. Location : St. Kilda Road. jed: . Type of car: Combination, No. 20. Weight of car (total): 30,422 lb. 14 i 16-8 24-60 3-8 ; 61-42 6-46 j 4-93 I I "+ HttT" 4-94 | 0-32 I 4-62 14-40 j Yes j Bafl good. ' : SS U S-50 5-84 4-87 I -01 4-86 0-32 4-54 14-20 ] ' 1a .k 91 .ok 3.4 43.50 6-24 5-18 3,121 --01 5-17 0-32 4-85 15-20 Yes S 22-00 34 SS 6-45 6-14 3421 --01 43 0-32 | 5-81 18-20 on ie-8 24-65 3-8 53-75 6-48 5-64 3.121 + -01 0-65 0-32 3-33 16-60 o ?0 10-28 2-8 16-25 3-66 3-17 3421 +-01 3-18 0-32 2-86 8-95 „ 22 It 8 80 2-0 9-75 4-40 3-97 | 3421 + -01 3-98 0-32 3-66 1-40 j „ 23 17-0 ' 24-90 4-4 61-50 5-66 5-04 \ Level .. : .. 5-Oi 0-32 1-72 | „ ~ 4-75 ! .. 4-44 13-80 Mean .. • • ■ ■ ! Table 20. Brake-test at Dunedi, Date: !8th .lay. 191 0. Location: Avon's Bay m of car : Combination, No. 20. Weight of car (total): 30,422 1boo i 17 . 0 24 .q 6-4 77-0 3-89 I 4-30 50-30 - -636 3-664 0-32 j 3-344 10-42 j No Second emergency. II }J.2 25.2 7-6 111-0 3-32 2-S6 155-35 - -206 : 2-654 0-32 ! 2-334 7-30 ; Yes Thud emergency.