Streetcar

Double K, Inc. dba Hometown Trolley Pdf Download PDF Report

Exterior Noise Test

Stationary

Date : 2015-03-19
Personnel : T.S.,S.R.,E.D. & M.R.
Temperature (°F) : 36 Humidity (%) : 27
Wind Speed (mph) : 4 Wind Direction : N
Barometric Pressure (in.Hg) : 30.31
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): 40.7

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 800 59.4 66.6
High Idle 1200 62.4 70.8
Wide Open Throttle 2500 74.1 76.5

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 800 60.6 65.7
High Idle 1200 62.4 69.7
Wide Open Throttle 2500 73.7 76.5