Orion VII EPA 10 CNG

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Exterior Noise Test

Stationary

Date : 2011-11-21
Personnel : G.C., T.S. & S.C.
Temperature (°F) : 42 Humidity (%) : 86
Wind Speed (mph) : 10 Wind Direction : NNE
Barometric Pressure (in.Hg) : 30.29
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 S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 38.7

Accessories and Air Conditioning ON
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 707 55.3 53.6
High Idle 1003 60.3 56.6
Wide Open Throttle 2376 69.7 71.3

Accessories and Air Conditioning OFF
Throttle Position Engine RPM Curb (Right) Side dB(A) Street (Left) Side dB(A)
Measured Measured
Low Idle 706 50.9 55.9
High Idle 1003 57.9 58.3
Wide Open Throttle 2386 69.2 69.5