Ford F550

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Fuel Economy Data (Gaseous Fuels)

Date: 2010-07-22
Run Number: 1
Personnel: S.C., B.L., T.S. & B.G.
Test Direction: CCW
Ambient Temperature (°F): 72
Humidity (%): 84
SLW (lbs): 17360
Wind Speed (mpg) & Direction: 2/WNW
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 8:29 8:29 33.4 0.338
ART #1 0 3:52 3:52 33.8 0.315
CBD #2 0 8:25 8:25 33.8 0.325
Art #2 0 3:46 3:46 35.0 0.359
CBD #3 0 8:19 8:19 41.7 0.326
Commuter 0 5:55 5:55 40.8 0.331
Total Fuel: 1.994 SCF
20 minute idle: .135 SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631.0 BTU/LB
Comments: Test Bus went into automatic re-gen during CBD#3. CBD #3 rerun after auto-re-gen reset.

Date: 2010-07-10
Run Number: 2
Personnel: S.C., B.L., T.S. & B.G.
Test Direction: CW
Ambient Temperature (°F): 72
Humidity (%): 84
SLW (lbs): 17
Wind Speed (mpg) & Direction: 2/WNW
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 8:29 8:29 41.0 0.308
ART #1 0 3:54 3:54 40.7 0.309
CBD #2 0 8:27 8:27 42.1 0.312
Art #2 0 3:52 3:52 41.3 0.304
CBD #3 0 8:23 8:23 41.4 0.313
Commuter 0 5:59 5:59 41.9 0.331
Total Fuel: 1.877 SCF
20 minute idle: SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631.0 BTU/LB
Comments:

Date: 2010-07-22
Run Number: 3
Personnel: S.C., B.L., T.S. & B.G.
Test Direction: CCW
Ambient Temperature (°F): 83
Humidity (%): 44
SLW (lbs): 17360
Wind Speed (mpg) & Direction: 10/WNW
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 8:22 8:22 39.5 0.326
ART #1 0 3:46 3:46 37.9 0.311
CBD #2 0 8:20 8:20 38.6 0.315
Art #2 0 3:49 3:39 41.2 0.315
CBD #3 0 8:22 8:22 38.2 0.314
Commuter 0 5:54 5:54 38.0 0.34
Total Fuel: 1.921 SCF
20 minute idle: SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631.0 BTU/LB
Comments:

Date: 2010-07-22
Run Number: 4
Personnel: S.C., B.L., T.S. & B.G.
Test Direction: CW
Ambient Temperature (°F): 83
Humidity (%): 44
SLW (lbs): 17360
Wind Speed (mpg) & Direction: 10/WNW
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 8:34 8:34 40.2 0.309
ART #1 0 3:55 3:55 39.5 0.306
CBD #2 0 8:29 8:29 42.0 0.312
Art #2 0 3:53 3:53 43.1 0.309
CBD #3 0 8:29 8:29 42.3 0.308
Commuter 0 5:59 5:59 41.6 0.328
Total Fuel: 1.872 SCF
20 minute idle: .136 SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631.0 BTU/LB
Comments: