CNG 45' Coach

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Fuel Economy Data (Gaseous Fuels)

Date: 2012-12-13
Run Number: 1
Personnel: T.S., C.S. & S.R.
Test Direction: CCW
Ambient Temperature (°F): 33
Humidity (%): 75
SLW (lbs): 46200
Wind Speed (mpg) & Direction: /
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 9:05 9:05 66.2 98.8
ART #1 0 4:16 4:16 63.2 73.4
CBD #2 0 8:55 8:55 56.8 95.3
Art #2 0 4:20 4:20 58.1 73.3
CBD #3 0 8:50 8:50 55.0 92.1
Commuter 0 5:59 5:59 58.3 88.2
Total Fuel: 521.1 SCF
20 minute idle: 89.8 SCF
No Load Flow Rate at Idle = 4.48 SCFM No Load Flow Rate at Full Throttle = 14.22 SCFM
Heating Value = 1008.1 BTU/LB
Comments: None noted.

Date: 2012-12-13
Run Number: 2
Personnel: T.S., C.S. & S.R.
Test Direction: CW
Ambient Temperature (°F): 35
Humidity (%): 65
SLW (lbs): 46200
Wind Speed (mpg) & Direction: /
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 8:53 8:53 56.4 87.4
ART #1 0 4:18 4:18 58.7 74.7
CBD #2 0 9:12 9:12 55.1 94.1
Art #2 0 4:19 4:19 58.7 72.4
CBD #3 0 9:12 9:12 56.0 88.7
Commuter 0 6:04 6:04 59.3 88.0
Total Fuel: 505.3 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: None noted.

Date: 2012-12-13
Run Number: 3
Personnel: T.S., C.S. & S.R.
Test Direction: CCW
Ambient Temperature (°F): 39
Humidity (%): 45
SLW (lbs): 46200
Wind Speed (mpg) & Direction: 4/S
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 9:11 9:11 66.5 97.0
ART #1 0 4:12 4:12 67.5 71.7
CBD #2 0 9:08 9:08 61.3 88.6
Art #2 0 4:15 4:15 63.7 70.6
CBD #3 0 8:53 8:53 60.6 87.1
Commuter 0 6:05 6:05 63.5 83.0
Total Fuel: 498.0 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: None noted.

Date: 2012-12-13
Run Number: 4
Personnel: T.S., C.S. & S.R.
Test Direction: CW
Ambient Temperature (°F): 42
Humidity (%): 40
SLW (lbs): 46200
Wind Speed (mpg) & Direction: 6/SSW
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 9:17 9:17 63.0 85.7
ART #1 0 4:22 4:22 66.2 70.4
CBD #2 0 9:12 9:12 63.2 84.8
Art #2 0 4:21 4:21 64.7 71.9
CBD #3 0 8:56 8:56 62.3 86.4
Commuter 0 6:04 6:04 64.2 87.6
Total Fuel: 486.80000000000007 SCF
20 minute idle: 37.2 SCF
No Load Flow Rate at Idle = 1.96 SCFM No Load Flow Rate at Full Throttle = 12.77 SCFM
Heating Value = 1008.1 BTU/LB
Comments: None noted.