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Old 05-15-2012, 09:13 AM   #1
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Wind deflector for tow vehicle

Did a search on this site and found nothing. Has the use of a wind deflector on the towing vehicle ever been discussed?

My Cherokee has a large flat front. I pull it with a Ford Expedition. Do they make a roof mounted wind deflector that can be easily mounted to say the luggage rack during those times when pulling the camper.

Just wondering if using such a system is even possible on a family SUV. Wondering if the cost of such a system is worth the savings (less wind resistance) in fuel.
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Old 05-15-2012, 09:33 AM   #2
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Just don't see them much any more do ya.
I think the lack of rain gutters on vehicles have something to do with it.
you would in fact need a luggage rack to mount.
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Old 05-15-2012, 09:52 AM   #3
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We used one for yrs on my 78 Chevy with a topper. Made it out of an old semi tractor deflector. Don't know if it helped, but it sure kept the bugs off the front of our trailer. I just kept adjusting it til we didn't get bugs on the trailer and left it at that angle. We used it for 5 yrs and sold the truck to my father and he used it for another 5 or 6 yrs. Now, I just use a tonneau cover that surrounds the 5th wheel hitch.
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Old 05-15-2012, 11:44 AM   #4
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Looking for more imput please.

I see semi trucks have these things on top of their cab to deflect the air around the trailer. I'm thinking this might improve their MPG.

Will placing some kind of a wind deflector on the roof of my tow vehicle (possibly attach to luggage rack) do the same. Maybe this will give me a few more miles to the gallon when pulling the camper.

Again do they even make something like this for SUV's pulling a camper
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Old 05-15-2012, 12:41 PM   #5
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Do they make a wind deflector that attaches to the front of the trailer?
If so, do they actually work?

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Old 05-15-2012, 05:09 PM   #6
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this subject comes up all the time on RV forums.

semis can make it worthwhile since they drive so many miles, that the very small amount of benefit adds up.
but for regular RV'ers, they would have to drive miles and miles just to see any kind of minimal benefit and to recoup the costs of buying and installing a deflector.
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Old 05-15-2012, 05:22 PM   #7
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yeah IM thinking 1 or 2 mpg is truly unrealistic .
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Old 05-15-2012, 07:12 PM   #8
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I'll second the no bugs comment. I had a Thule bike rack with a wind deflector on the Tundra, and the front of the camper stayed clean. I thought at first it was just the shape of the windjammer, but after taking off the Thule rack, the suicide bugs came back, I'll be tossing the Thule back on for the summer.
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Old 05-15-2012, 10:05 PM   #9
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From what I have read on the net, it seems it only helps if the top of the deflector is close to the trailer and angled correctly. If the deflector is too far from the trailer, the airflow can "fall" into the gap in between and really mess up the arrowdynamics and worsen the mileage. So I think if you can mount it far back toward the trailer, even 1 or 2 mpg improvement is worth it if you are going on a 1000+ mile trip. It will take awhile for it to pay for itself though.
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Old 06-05-2012, 12:58 PM   #10
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Camping World has them - for about 275 or so. Last time I looked at them it seemed it may be worthwhile as I have a topper on the TV but would have to drill and bolt the wing so I have not, so far - taken the plunge. Must try to work out what advantage there is.
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