ORION V

BUS INDUSTRIES OF AMERICA, INC. Pdf Download PDF Report

Exterior Noise Test

Stationary

Date : 1990-07-09
Personnel : S.M., D.F., & B.J
Temperature (°F) : 85 Humidity (%) : 68
Wind Speed (mph) : 2 Wind Direction : SW
Barometric Pressure (in.Hg) :
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
Initial Sound Level Meter Calibration: true checked by
Exterior Ambient Noise Level dB(A): 47.6

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 76 62.0 63.6
High Idle 112 67.7 71.1
Wide Open Throttle 234 77.8 78.4

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 76 61.1 93.2
High Idle 112 667.1 70.3
Wide Open Throttle 235 76.6 77.8