Cassic 28" Raised Roof

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Exterior Noise Test

Accelerating from Constant Speed

Date : 1998-07-29
Personnel : B.L., S.C., and R.H.
Temperature (°F) : 81 Humidity (%) : 59
Wind Speed (mph) : 5 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.02
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: false checked by B.L.
Exterior Ambient Noise Level dB(A): 48.5

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 74.8 1 74.2
2 74.4 2 73.3
3 74.3 3 73.9
4 72.6 4 73.8
5 73.5 5 74.2
Average of two highest actual noise levels = 74.6 dB(A) Average of two highest actual noise levels = 74.2 dB(A)