ORION VII

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Exterior Noise Test

Accelerating from Standstill

Date : 2001-11-15
Personnel : S.C., E.D. & B.S.
Temperature (°F) : 60 Humidity (%) : 55
Wind Speed (mph) : 8 Wind Direction : WSW
Barometric Pressure (in.Hg) : 30.2
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): 46.4

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 77.2 1 76.0
2 76.8 2 76.0
3 76.9 3 75.8
4 77.2 4 75.8
5 77.0 5 76.0
Average of two highest actual noise levels = 77.2 dB(A) Average of two highest actual noise levels = 76.0 dB(A)