RE 185D

COLLINS

Interior Noise Test Data Form

Test Condition 3: Audible Vibration Test

Date 1994-10-05
Personnel R.L., B.R., & R.H.
Temperature (°F) 48
Humidity (%) 65
Wind Direction NW
Wind Speed (MPH) 7
Barometric Pressure (in.Hg) 30.02
Source of Noise Location
Engine and Accessories None noted.
Windows and Doors None noted.
Seats and Wheel Chair lifts None noted.
Comment on any other vibration or noise source which may have occurred that is not described above:
At the speed of approximately 35 - 40 mph, a slight audible vibration is noticeable in the forward portion of the bus.