CONTENDER TB-2242

CHAMPION MOTOR COACH, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1996-07-10
Personnel : B.L., & R.H.
Temperature (°F) : 76 Humidity (%) : 60
Wind Speed (mph) : 8 Wind Direction : N
Barometric Pressure (in.Hg) : 30.09
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): 43.2

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 78.5 1 81.5
2 77.4 2 81.4
3 77.2 3 81.5
4 77.9 4 80.4
5 77.7 5 81.5
Average of two highest actual noise levels = 78.2 dB(A) Average of two highest actual noise levels = 81.5 dB(A)