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Old 05-24-2010, 11:46 PM   #37 (permalink)
swede
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Join Date: Aug 2009
Location: Winnipeg, Canada
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Results..........

I finally had an opportunity to do some A-B-A testing and had some very exciting results. I took the truck on the same route that I normally do every weekend, a 230km trip each way. The data is from the on-board trip computer.

Here's what I came up with...

1- no cover, with wind, 230km traveled, average FE 20.5 MPG us
2- no cover, against wind, 230km traveled, average FE 19.5 MPG us
3- Aerolid installed, with wind, 230km traveled, average FE 23 MPG us

The results show a 13% improvement!!!!
There may be some variables that I am unaware of that swayed these numbers but the total 690km was traveled during the same day with the same weather, wind, speed, etc.

There was a very definite improvement in amount of wind noise and the feel of the truck stability wise with the cover installed. Wind buffeting seemed to be reduced compared to an open bed. I'll be sticking with this for sure and looking at some practical functionality improvements now.

(very well traveled today)

Swede
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1994 electricfly EV conversion 36V/450A/60km/h
1997 Suzuki Sprint hatch (parts car?)
1998 Geo Metro sedan 1.3L auto (the wifes)
2009 GMC Sierra 27us/mpg best yet (still workin on it)
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