Aero Elite Ford 550 Super Duty Chassis-Diesel Engine

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Exterior Noise Test

Stationary

Date	:	2011-11-07
Personnel	:	G.C., T.S., B.L. & S.C.
Temperature (°F)	:	63	Humidity (%)	:	41
Wind Speed (mph)	:	7	Wind Direction	:	SW
Barometric Pressure (in.Hg)	:	30.28
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): 46.5

Accessories and Air Conditioning ON
Throttle Position	Engine RPM	Curb (Right) Side dB(A)	Street (Left) Side dB(A)
Throttle Position	Engine RPM	Measured	Measured
Low Idle	600	50.5	50.1
High Idle
Wide Open Throttle	3500	72.4	72.3

Accessories and Air Conditioning OFF
Throttle Position	Engine RPM	Curb (Right) Side dB(A)	Street (Left) Side dB(A)
Throttle Position	Engine RPM	Measured	Measured
Low Idle	602	49.9	50.6
High Idle
Wide Open Throttle	3495	72.5	72.3

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Noise

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