CONTENDER TB-2242

CHAMPION MOTOR COACH, INC. Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

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) : 30.9
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: false checked by R.L.L.
Exterior Ambient Noise Level dB(A): 46.5

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 76.5 1 78.9
2 75.6 2 81.8
3 77.7 3 81.9
4 77.5 4 82.0
5 76.1 5 81.47
Average of two highest actual noise levels = 77.6 dB(A) Average of two highest actual noise levels = 82.0 dB(A)