D60LF

NEW FLYER Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1998-07-13
Personnel : B.L., E.L., and R.H.
Temperature (°F) : 75 Humidity (%) : 65
Wind Speed (mph) : calm Wind Direction : calm
Barometric Pressure (in.Hg) : 30.12
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): 44.1

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 74.9 1 78.1
2 74.8 2 77.8
3 75.5 3 78.5
4 75.5 4 78.1
5 75.8 5 77.5
Average of two highest actual noise levels = 75.7 dB(A) Average of two highest actual noise levels = 78.3 dB(A)