:rnald.] 
PRODUCER-GAS TESTS. 
113 
British thermal units. 
3r pound of coal as fired 14, 195 
3r pound of dry coal 14, 580 
3r pound of combustible 15, 500 
3r cubic foot of standard gas 151 
rom standard gas per pound, dry coal burned in producer 8, 150 
rom standard gas per hour per brake horsepower 10, 060 
Gas produced, cubic feet (reduced to standard) . 
Dtal 99, 781 
3r hour 15, 770 
3r pound coal consumed in producer 52. 6 
3r pound dry coal consumed in producer 54 
3r pound combustible consumed in producer 57. 4 
3r pound equivalent coal used by producer plant 48 
3r pound equivalent dry coal used by producer plant 49. 3 
3r pound equivalent combustible used by producer plant 52. 3 
Horsepower developed. 
erage electrical horsepower available for outside purposes 186. 9 
verage electrical horsepower developed at switch board 201 
verage brake horsepower t available for outside purposes 220 
trerage brake horsepower t developed at engine 236. 5 
Coal consumed in producer, pounds per horsepower per hour. 
Coal as 
tired. 
Dry coal. 
Combus- 
tible. 
r electrical horsepower available for outside purposes.. 
r electrical horsepower developed at switch board 
r brake horsepower f available for outside purposes . . . 
r brake horsepower f developed at engine 
1.60 
1.49 
1.36 
1.27 
1.76 
1.64 
1. 49 
1.39 
1.56 
1.46 
1.33 
1.24 
1.71 
1.59 
1.46 
1. 35 
1.47 
1.37 
1.25 
1.16 
uivalent pounds used by producer plant per electrical 
lorsepower available for outside purposes 
1.-61 
uivalent pounds used by producer plant per electrical 
lorsepower developed at switch board 
1.50 
uivalent pounds used by producer plant per brake 
lorsepower f available for outside purposes 
1.37 
uivalent pounds used by producer plant per brake 
lorsepower f developed at engine 
1.27 
coal. Per cent. 
•isture 2. 66 
llatile matter 32. 00 
■fed carbon 59. 61 
iji 5.73 
ftphur 1.00 
Average composition of coal and gas. 
gas by volume. Per cent. 
Carbon dioxide 10. 40 
Oxygen 20 
Carbon monoxide 13. 70 
Hydrogen 9. 55 
Methane 6. 60 
Nitrogen 59. 55 
100. 00 
t Based on an assumed efficiency of 85 per cent for generator and belt. 
Bull. 261—05 8 
