LFS-TC4010 2N

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Exterior Noise Test

Accelerating from Standstill

Date : 1997-03-10
Personnel : B.L., S.C., D.F., & B.B.
Temperature (°F) : 34 Humidity (%) : 75
Wind Speed (mph) : 8 Wind Direction : NW
Barometric Pressure (in.Hg) : 30.0
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 R.L.L.
Initial Sound Level Meter Calibration: true checked by R.L.L.
Exterior Ambient Noise Level dB(A): 47.1

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 78.1 1 83.4
2 77.7 2 83.4
3 78.8 3 83.5
4 78.5 4 83.7
5 78.0 5 84.0
Average of two highest actual noise levels = 78.7 dB(A) Average of two highest actual noise levels = 83.9 dB(A)