SLC-938

Stallion Bus Industries, LLC Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 2008-11-06
Personnel : T.W., S.C. & E.L.
Temperature (°F) : 66 Humidity (%) : 60
Wind Speed (mph) : Wind Direction :
Barometric Pressure (in.Hg) : 30.03
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 S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 41.8

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 79.7 1 88.3
2 84.2 2 88.2
3 82.7 3 88.2
4 82.7 4 88.3
5 83.4 5 88.2
Average of two highest actual noise levels = 83.8 dB(A) Average of two highest actual noise levels = 88.3 dB(A)