FORD SHUTTLE 24'

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Exterior Noise Test

Accelerating from Standstill

Date : 1997-09-24
Personnel : B.L., S.C. and R.H.
Temperature (°F) : 54 Humidity (%) : 60
Wind Speed (mph) : 5 Wind Direction : s
Barometric Pressure (in.Hg) : 30.25
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 B.L.
Initial Sound Level Meter Calibration: true checked by B.L.
Exterior Ambient Noise Level dB(A): 36.3

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 73.9 1 74.8
2 73.7 2 74.6
3 74.1 3 74.7
4 74.2 4 74.6
5 74.0 5 75.1
Average of two highest actual noise levels = 74.2 dB(A) Average of two highest actual noise levels = 74.9 dB(A)