2009

FREEDOM MOTORS USA, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 2009-11-13
Personnel : M.R., B.L. & S.C.
Temperature (°F) : 59 Humidity (%) : 54
Wind Speed (mph) : 6 Wind Direction : NE
Barometric Pressure (in.Hg) : 29.98
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): 39.6

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 71.9 1 70.7
2 72.9 2 72.4
3 73.7 3 72.0
4 73.6 4 73.0
5 72.3 5 70.3
Average of two highest actual noise levels = 73.7 dB(A) Average of two highest actual noise levels = 72.7 dB(A)