D-60

NEW FLYER Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1993-07-30
Personnel : B.L., S.C., & R.H.
Temperature (°F) : 69 Humidity (%) : 78
Wind Speed (mph) : 9 Wind Direction : NW
Barometric Pressure (in.Hg) : 29.86
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 R.L.L.
Initial Sound Level Meter Calibration: true checked by R.L.L.
Exterior Ambient Noise Level dB(A): 47.3

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 76.7 1 79.8
2 77.3 2 80.5
3 77.5 3 81.2
4 77.1 4 80.0
5 75.5 5 81.0
Average of two highest actual noise levels = 77.4 dB(A) Average of two highest actual noise levels = 81.1 dB(A)