— 253 — 
It is necessary however to note that the barg of the locomotive were not 
properly adapted for the coal under trial and gave rise to the following objections 
although pressure was kept high for two-thirds of the run, it fell during the 
remainder, owing to accumulations of dross in the furnace choking the inters- 
tices of the bars. 
SECOND EXPERIMENT 
SCREENED COAL 
Carried out on the llth July, 1904. 
Trains SS 3 and SS 8 of the Santa Cruz Branch, 2 cars series B, 2 series D 
and 2 series Q, 126 units. 
Coal consumed during therun. . ..., . 2,310 kilos 
Coal consumed perkilometer . . . . . - 20 » 
Consumption of water. . . . 2. . . ws 11.442 litres 
Evaporation per kilo of coal . . . . . . 4,75 » 
RESIDUES 
Clinkers and ash from the furnace and ash pan. 630 kilos 
Ash from the smoke box. . . . . « « « 48 >» 
TROGAB Ge: Bi cleo wi ae ee 678 » 
Smocke yellow and similar to that from Cardiff. 27.3 °/o 
The trains kept the time. 
There was again the inconvenience of choked bars, resulting in lower 
pressue during some parts of the total run. 
THIRD EXPERIMENT 
COAL FROM THE TUBARAO MINE IN SANTA CATHARINA 
Screened coal 
The trial was made on the 30th of June, 1904. 
Trains SS 3 and SS 8, composed of two cars series B, two series D and two 
series Q, 126 units, 
Coal consumed during the run. . . . . .» 2.042 kilos 
Coal consumed perkilometer , . . .. © 18 » 
Consumption of water . . 2. « 2. « «© - 11.885 litres 
Evaporation per kilo of coal . . . «© « « 5.7 » 
RESIDUES 
Coal and ash from the furnace and ash pan. . 520 kilos 
Ash from the smoke box. . . . «. « « 50 >» 
— > 
Total 2 oe ce. og teh eee 570 > 
SMOG: os ah eae ache INP ite? es 27,9 fo 
