40/102TB/S50

GILLIG CORPORATION Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1993-02-10
Personnel : B.L., S.C. and R.H.
Temperature (°F) : 38 Humidity (%) : 70
Wind Speed (mph) : 7 Wind Direction : nw
Barometric Pressure (in.Hg) : 30.19
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 RL
Initial Sound Level Meter Calibration: true checked by RL
Exterior Ambient Noise Level dB(A): 48.7

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 72.5 1 74.0
2 72.8 2 73.9
3 72.9 3 73.9
4 72.7 4 73.8
5 72.5 5 74.2
Average of two highest actual noise levels = 72.9 dB(A) Average of two highest actual noise levels = 74.1 dB(A)