STREETCAR RTV

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Exterior Noise Test

Accelerating from Standstill

Date : 2009-08-17
Personnel : C.S., E.D. & S.C.
Temperature (°F) : 82 Humidity (%) : 66
Wind Speed (mph) : 6 Wind Direction : SSW
Barometric Pressure (in.Hg) : 30.24
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 S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 41.1

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 71.1 1 72.2
2 71.2 2 71.7
3 71.6 3 72.6
4 71.3 4 72.8
5 71.8 5 72.7
Average of two highest actual noise levels = 71.7 dB(A) Average of two highest actual noise levels = 72.8 dB(A)