D.—6.

Trial of Locomotives between Invercargill and Gore with Brunner Coal— continued.

Approximate Cost of PajMr.-Preparation, not given ; printing (1,200 copies), .46 3s. 6d.

Authority: John Mackay, Government Printer, Wellington.—l9o3.

Price 6d.]

2—D. 6.

5

'ype of Ingine. Particulars. Baldwin. Class Q. Glasgow. Class Uc. Glasgow. Class Ua. Baldwin. Baldwin. Baldwin. Class Ub. Class Ub. Class Ub. First Second Second importation. importation. importation. N.Z.E. Class Wa. Baldwin. Class Wd. Baldwin. Class Wd. jocomotive Tests : General Results —continued. Water used per square foot of grate - surface lb. per hour running-time Equivalent evaporation per pound of coal from and at 212° P. Weight of coal burned on journey Actual weight of wood used in lighting-up .. Actual weight of coal used in lighting-up .. Total weight of wood and coal used Goal consumed per ton mile of train-load .. Coal used per ton of train per 100 miles Weight of coal consumed per hour Average weight of coal burned per sq. ft. of grate-surface per hour running-time Coal used per train mile Calorimetric value of coal .. .. B.T.U. Weight of ashes taken from ashpan .. lb. Weight of ashes taken from smoke-box Weight of ashes, &c, taken out of firebox .. 131-54 11-19 2,379-7 224 560 3,163-7 0-096 9-56 575-7 14-39 332-08 11-20 2,406-7 224 560 3,190-7 0097 9-67 582-2 36-39 337-73 10-68 2,544 224 560 3,328 0-113 11-32 617-1 3862 360-81 10-70 2,726 224 560 3,510 0-121 12-13 6595 41-22 353-62 1002 2,848-3 224 560 3,632-3 0127 12-67 688-2 43 07 338-16 10-24 2,682-5 224 560 3,4665 0-119 11-94 648-99 40-56 365-82 11-19 2,056 224 336 2,616 0-100 10 497-4 39-79 310-57 10-66 2,501-3 224 336 3,061-3 0-122 12-16 605-1 35-60 320-02 9-91 2,781 224 336 3,341 0135 13-52 672-8 39-58 Maximum boiler-pressure .. lb. per sq. in. Minimum boiler-pressure Mean boiler-pressure throughout journey Mean temperature of feed-water .. deg. P. Mean temperature of atmosphere Average speed in miles per hour.. Actual time in motion .. • • min. Time made up or lost .. ■ • » Number of stops Aggregate intermediate stops .. .. min. 29-75 14,513-75 83 7 100 (all clinker and dirt) 200 178 193-9 48-3 53-6 19-35 248 Nil 30-08 14,513-75 91 96 73 (all clinker and dirt) 200 161 190-3 45-2 46-9 19-35 248 Nil 5 87 31-8 14,513-75 97 76 98 (all clinker and dirt) 175 125 160 46-2 49-6 1938 247 Made up 1 5 92 34-08 14,513-75 66 178 81 (all clinker and dirt) 175 131-7 160 44-7 50-2 19-35 248 Nil 35-6 14,513-75 41 110 88 (all clinker and dirt) 175 133 162-6 47-9 51 19-33 248 Nil 5 91 33-53 14,513-75 40 111 87 (all clinker and dirt) 200 160 187-1 43-9 47-3 19-35 248 Nil 6 94 25-7 14,513-75 45 104 37 (all clinker and dirt) 170 126-3 157-7 49-3 49-1 19-35 248 Nil 5 92 31-26 14,513-75 53 129 61 (all clinker and dirt) 170 136 162-9 46-9 52-4 19-35 248 Nil 5 87 34-76 14,513-75 42 180 67 (all clinker and dirt) 200 153-5 190-4 47-1 50-1 19-35 248 Nil 5 87 5 89 5 87 Analysis of Brunner Coal — Fixed carbon Hydrocarbon Water Ash Composition. 56-21 37-73 1-50 4-56