i).-i.

Table II.—Fuel-consumption, Line B 3.

66

000-, 700-, 1,000-train Tr: tffio. 340-, 477-, 681-train Traffic. Miles. Grade, „ , Per Cent. S P eed - Resistance, One Train. Mile-pounds = R.M. Resistance, One Train. Mile-pounds = R.M. 0-025 0-200 0-210 0-187 0106 0194 0003 0-518 1-107 0-200 0062 0-689 0-249 0-542 3-740 0-239 (2-985) 2-27 333 3-03 0-50 1-91 1-91 3-33 333 3 03 1-64 3-33 303 2-88 3-33 3-03 2-88 0-33 12 21,350 10 30,150 12 27,650 12 6,620 12 18,350 12 18,350 10 30,150 10 30,150 12 27,650 12 16,100 10 30,150 12 27,650 12 26,450 10 30,150 12 27,650 12 26,450 8-5-12 -5,200 534 6,030 5,810 1,275 1,945 3,560 90-5 15,625 30,600 3,220 1,870 19,050 6,590 16,350 103,500 6,320 15,530 30,150 42,700 39,100 9,350 25,600 25,600 42,700 42,700 39,100 22,750 42,700 39,100 37,350 42,700 39,100 37,350 *7,350 754 8,510 8,210 1,750 2,715 4,970 128 22,130 43,300 4,550 2,570 26,950 9,300 23,150 146,200 8,930 21,930 Total R.] M., Otira to summit 237,899-5 336,077 0-187 Summit level Summit level R.M. boti 12 2,450 3,460 458 647 (0.187) 12 1,365 255-5 1,935 362 h ways on summit level 713-5 1,009 0-200 0-700 0-274 0-025 0-612 0025 Level 2-50 2-27 1-97 1-67 1-14 12 1,365 12 12,965 12 11,865 12 10,515 12 9,115 12 6,645 273 9,070 3,250 263 5,575 166 1,935 18,400 16,880 14,900 12,920 9,450 387 12,880 4,620 373 7,910 236 R.M., Bei aley to summit 18,597 26,406 10-294 (Total len igth of line.) Total R.M. uphi 11 ... (256,496) (362,483) Equiv ■alent R.M . downhill (10 per cent.) 25,650 36,248 Total equivalent t R.M., one round trip ... 282,859 399,740 Cost of fuel = R.M. -r- 215,384-6 = £1-312 per round trip. I JCost of fuel = R. £1-855 per r< tf. 4-215,384-6 = >und trip. * Resistance due to curvature. Note.—The steepest equivalent grade is 3-49 per cent., which at eight miles and a half per hour gives resistance 31,480. The tractive power is 31,550 for the light trains, and correspondingly greater for the heavier trains and locomotives.