MBC-II FUTURA

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Exterior Noise Test

Accelerating from Constant Speed

Date : 1992-12-21
Personnel : B.R., S.C. & R.H.
Temperature (°F) : 34 Humidity (%) : 17
Wind Speed (mph) : 2 Wind Direction : NNW
Barometric Pressure (in.Hg) : 30.32
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.R.
Initial Sound Level Meter Calibration: false checked by R.R.
Exterior Ambient Noise Level dB(A): 39.7

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 75.5 1 77.3
2 75.8 2 77.1
3 76.0 3 77.4
4 76.0 4 77.4
5 76.0 5 77.4
Average of two highest actual noise levels = 76.0 dB(A) Average of two highest actual noise levels = 77.4 dB(A)