ATTB

NORTHROP GRUMMAN

Fuel Economy Data (Gaseous Fuels)

Date: 1998-10-29
Run Number: 1
Personnel: B.L. and B.B.
Test Direction: CCW
Ambient Temperature (°F): 55
Humidity (%): 65
SLW (lbs): 27770
Wind Speed (mpg) & Direction: 3/nw
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 9:00 9:00 55.8 91.1
ART #1 0 4:20 4:20 48.1 77.6
CBD #2 0 9:00 9:00 53.5 92.7
Art #2 0 4:23 4:23 54.3 76.9
CBD #3 0 9:00 9:00 48.8 91.7
Commuter 0 5:54 5:54 52.9 89.1
Total Fuel: 519.0999999999999 SCF
20 minute idle: 85.7 SCF
No Load Flow Rate at Idle = 4.06 SCFM No Load Flow Rate at Full Throttle = 8.15 SCFM
Heating Value = 1008.1 BTU/LB
Comments: None

Date: 1998-10-29
Run Number: 2
Personnel: B.L. and B.B.
Test Direction: CW
Ambient Temperature (°F): 58
Humidity (%): 57
SLW (lbs): 27770
Wind Speed (mpg) & Direction: 6/n
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 9:02 9:02 57.9 90.0
ART #1 0 4:25 4:25 56.2 76.11
CBD #2 0 9:03 9:03 59.6 90.5
Art #2 0 4:26 4:26 52.0 75.5
CBD #3 0 8:59 8:59 50.1 92.9
Commuter 0 5:57 5:57 57.6 88.2
Total Fuel: 513.21 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

Date: 1998-10-30
Run Number: 3
Personnel: B.L. and B.B.
Test Direction: CCW
Ambient Temperature (°F): 55
Humidity (%): 48
SLW (lbs): 27770
Wind Speed (mpg) & Direction: 3/nw
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 9:15 9:15 48.4 88.1
ART #1 0 4:26 4:26 44.1 79.3
CBD #2 0 9:07 9:07 31.2 92.8
Art #2 0 4:26 4:26 43.9 79.3
CBD #3 0 9:10 9:10 37.1 92.7
Commuter 0 6:05 6:05 45.8 90.4
Total Fuel: 522.6 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

Date: 1998-10-30
Run Number: 4
Personnel: B.L. and B.B.
Test Direction: CW
Ambient Temperature (°F): 52
Humidity (%): 50
SLW (lbs): 27770
Wind Speed (mpg) & Direction: 5/2
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 60.8 87.5
ART #1 0 4:29 4:29 48.7 76.9
CBD #2 0 9:00 9:00 36.3 90.6
Art #2 0 4:27 4:27 48.1 77.3
CBD #3 0 9:04 9:04 38.3 91.4
Commuter 0 6:01 6:01 49.1 88.9
Total Fuel: 512.6 SCF
20 minute idle: 86.1 SCF
No Load Flow Rate at Idle = 4.12 SCFM No Load Flow Rate at Full Throttle = 8.8 SCFM
Heating Value = 1008.1 BTU/LB
Comments: None