G-Force F550 CNG

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Fuel Economy Data (Gaseous Fuels)

Date: 2012-03-23
Run Number: 1
Personnel: G.C. & A.H.
Test Direction: CCW
Ambient Temperature (°F): 64
Humidity (%): 64
SLW (lbs): 18400
Wind Speed (mpg) & Direction: 5/SE
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 8:16 8:16 72.0 62.6
ART #1 0 3:52 3:52 62.0 52.9
CBD #2 0 8:03 8:03 60.0 56.2
Art #2 0 3:52 3:52 65.0 58.3
CBD #3 0 8:15 8:15 60.0 59.4
Commuter 0 6:05 6:05 66.0 57.2
Total Fuel: 346.59999999999997 SCF
20 minute idle: 66 SCF
No Load Flow Rate at Idle = 3.64 SCFM No Load Flow Rate at Full Throttle = 80 SCFM
Heating Value = 1008.1 BTU/LB
Comments: All values adjusted +8% for carbon balance.

Date: 2012-03-23
Run Number: 2
Personnel: G.C. & A.H.
Test Direction: CW
Ambient Temperature (°F): 67
Humidity (%): 61
SLW (lbs): 18400
Wind Speed (mpg) & Direction: 5/SE
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 8:31 8:31 67.0 63.7
ART #1 0 4:00 4:00 69.0 55.1
CBD #2 0 8:34 8:34 64.0 61.6
Art #2 0 4:02 4:02 68.0 87.2
CBD #3 0 8:43 8:43 67.0 61.6
Commuter 0 6:07 6:07 70.0 55.1
Total Fuel: 384.30000000000007 SCF
20 minute idle: SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 1008.1 BTU/LB
Comments: All values adjusted +8% for carbon balance.

Date: 2012-03-23
Run Number: 3
Personnel: G.C. & A.H.
Test Direction: CCW
Ambient Temperature (°F): 70
Humidity (%): 58
SLW (lbs): 18400
Wind Speed (mpg) & Direction: 7/SE
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 8:32 8:32 80.0 61.6
ART #1 0 3:59 3:59 73.0 58.3
CBD #2 0 8:42 8:42 77.0 60.5
Art #2 0 4:03 4:03 72.0 56.2
CBD #3 0 8:39 8:39 77.0 58.3
Commuter 0 6:04 6:04 77.0 55.1
Total Fuel: 350.00000000000006 SCF
20 minute idle: SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 1008.1 BTU/LB
Comments: All values adjusted +8% for carbon balance.

Date: 2012-03-23
Run Number: 4
Personnel: G.C. & A.H.
Test Direction: CW
Ambient Temperature (°F): 73
Humidity (%): 50
SLW (lbs): 18400
Wind Speed (mpg) & Direction: 7/SE
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 8:50 8:50 80.0 61.6
ART #1 0 4:07 4:07 76.0 51.8
CBD #2 0 8:59 8:59 81.0 61.6
Art #2 0 4:09 4:09 77.0 52.9
CBD #3 0 8:53 8:53 82.0 61.6
Commuter 0 6:07 6:07 82.0 52.9
Total Fuel: 342.4 SCF
20 minute idle: 56 SCF
No Load Flow Rate at Idle = 3.79 SCFM No Load Flow Rate at Full Throttle = 79.9 SCFM
Heating Value = 1008.1 BTU/LB
Comments: All values adjusted +8% for carbon balance.