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Old 03-23-2015, 03:08 PM   #1
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use of air tabs

Have been reading about people truck drivers, rvs, etc putting these "v" shaped air tags on trucks and rvs- claim that it makes your rv a lot easier to drive as it dissipates air that blows you around. We are talking wind from trucks and any other kind of head wind or side winds. Also tends to be a very slight ( 2%- 5%) better fuel mileage. A kit runs about $200 and these are attached to rear edges of coach.
Has anyone tried these? If they work as advertised might be a good thing!
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Old 03-23-2015, 03:09 PM   #2
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Old 03-23-2015, 03:27 PM   #3
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Put them on the back of our 08Flagstaff831RLSS, up both sides and across the top. Didn't notice any mileage change, but it sure stopped the semi's, buses & mhs from buffeting the trailer when the passed us.
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Old 03-24-2015, 09:20 AM   #4
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OK might just have to try them would make driving that much easier.
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Old 03-25-2015, 11:30 AM   #5
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I see why it didn't improve your mileage, you missed a spot.
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Old 03-25-2015, 04:38 PM   #6
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Question remains...... Think they would help with the wind on a FR3???
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Old 03-25-2015, 04:48 PM   #7
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Well, I guess you will just have to do what I did, "you spend your bucks and you takes your chances." All I can do is tell you what I experienced. I didn't particularly like the looks of them, but if I had a mh and had exhausted everything else to combat sway, I'd sure try them.
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Old 03-25-2015, 04:58 PM   #8
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In case anyone wonders what an airtab is (like me.....I had to look it up), here is the website: Airtab | Aerodynamic Fuel Savers | Welcome
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Old 03-25-2015, 04:59 PM   #9
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Not an engineer,but these tabs almost look to me as increasing drag.

The way they're mounted with the open end of the "Y" facing forward looks like air would be "trapped" as the RV moves forward causing increased drag.

I don't thing such a device would be mounted on aircraft for the purpose of reducing drag.
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Old 03-25-2015, 05:03 PM   #10
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OC, What are they called and where did you purchase them?
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