SPIRIT

GILLIG CORPORATION

Exterior Noise Test

Stationary

Date	:	1991-01-04
Personnel	:	SM and BL
Temperature (°F)	:	31	Humidity (%)	:	55
Wind Speed (mph)	:	7	Wind Direction	:	nw
Barometric Pressure (in.Hg)	:	28.5
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by SM
Initial Sound Level Meter Calibration: true checked by SM
Exterior Ambient Noise Level dB(A): 52.0

Accessories and Air Conditioning ON
Throttle Position	Engine RPM	Curb (Right) Side dB(A)	Street (Left) Side dB(A)
Throttle Position	Engine RPM	Measured	Measured
Low Idle	607	56.0	57.2
High Idle	1280	615.0	62.9
Wide Open Throttle	2783	71.3	71.3

Accessories and Air Conditioning OFF
Throttle Position	Engine RPM	Curb (Right) Side dB(A)	Street (Left) Side dB(A)
Throttle Position	Engine RPM	Measured	Measured
Low Idle	655	56.4	57.3
High Idle	1298	60.6	63.2
Wide Open Throttle	2784	71.3	71.3

General

Bus Information

Check-In

Maintainability

Repair & Maintenance

Replacement & Repair

Reliability

Safety

Summary
Data

Performance

Structural

Fuel Economy

Noise

Glossary
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