Cassic 28" Raised Roof

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Exterior Noise Test

Accelerating from Standstill

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: true checked by B.L.
Exterior Ambient Noise Level dB(A): 1.0

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 72.6 1 72.7
2 72.5 2 72.3
3 72.0 3 72.2
4 71.8 4 72.4
5 72.0 5 72.8
Average of two highest actual noise levels = 72.6 dB(A) Average of two highest actual noise levels = 72.8 dB(A)