40TB102

GILLIG CORPORATION Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1992-09-28
Personnel : B.L., B.R., & R.H.
Temperature (°F) : 72 Humidity (%) : 87
Wind Speed (mph) : 6 Wind Direction : NW
Barometric Pressure (in.Hg) : 30.25
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 42.4

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 78.2 1 83.8
2 77.6 2 84.4
3 77.4 3 85.0
4 77.9 4 84.5
5 77.3 5 84.6
Average of two highest actual noise levels = 78.1 dB(A) Average of two highest actual noise levels = 84.8 dB(A)