15
fuel consumption
Estimated fuel supply requirements at half and full load for
natural gas and LP vapor fuels are shown here.
natural Gas
LP Vapor
1/2 Load
Full Load
1/2 Load
Full Load
483 C
777 C
178 C
297 C
483,000 B
777,000 B
445,000 B
742,000 B
C = Cubic feet per hour
B = BTU’s per hour
Physical
Properties
LP Vapor
natural
Gas
normal atmospheric
state
Gas
Gas
Boiling Point (in °f):
initial
end
-44
-44
-259
-259
heating Value:
Btu per gallon (net
LhV*)
Btu per gallon (gross**)
cubic feet (gas)
83,340
91,547
2,500
63,310
1,000
Density***
36.39
57.75
Weight†
4.24
2.65
octane number:
research
Motor
110+
97
110+
*
LHV (Low Heat Value) is the more realistic rating.
** Gross heat value does not consider heat lost in the form of water during
combustion.
*** Density is given in “Cubic Feet of Gas per Gallon of Liquid”.
†
Weight is given in “Pounds per Gallon of Liquid”.