MODEL 28" WB MAXI DUEL FUEL TROLLEY

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Exterior Noise Test

Accelerating from Standstill

Date : 2002-04-04
Personnel : T.S., E.L., & S.C.
Temperature (°F) : 41 Humidity (%) : 36
Wind Speed (mph) : 10 Wind Direction : WNW
Barometric Pressure (in.Hg) : 30.3
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): 41.8

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 67.4 1 71.0
2 67.3 2 71.4
3 68.7 3 71.0
4 67.6 4 71.3
5 67.8 5 70.4
Average of two highest actual noise levels = 68.3 dB(A) Average of two highest actual noise levels = 71.4 dB(A)