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Old 12-15-2014, 05:49 AM   #1
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Breaking Wind

Anyone ever experiment with any aerodynamic products? Just curious if anything could make a noticeable improvement in mileage. Is an enclosed underbelly an aerodynamic feature? Or just for cold weather/insulating? I wonder if there is anything available for tt's like what I've seen on the back of tractor-trailers lately.http://www.iowa80.com/DirectionsWEB/...hp?catid=WINGS http://fleetowner.com/site-files/fle...11/01/atd3.jpg
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Old 12-15-2014, 07:36 AM   #2
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I think it is multi function. I like that the underbelly is protected from road grime. It also provides a baffle to hold heat near the enclosed thanks and lines, even though not air tight it does keep the area from freezing if the furnace is running.
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Old 12-15-2014, 07:51 AM   #3
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From the title of your thread I thought this was going to be a whole different conversation.
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Old 12-15-2014, 10:37 AM   #4
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I was a little nervous to click on this post.
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Old 12-15-2014, 01:10 PM   #5
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Quote:
Originally Posted by Panhead View Post
From the title of your thread I thought this was going to be a whole different conversation.
LOL. Same here.
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Old 12-15-2014, 02:27 PM   #6
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Back about the late 80's my father in law pulled a 5th and used something similar to what you see on semi's, a large wind deflector. When not needed it folded down - blocking the rear window view. Standing upright it looked good; I don't know if it really did much towards improving the MPG, its advertised purpose.


Now please excuse me, I feel the wind.
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Old 12-15-2014, 03:05 PM   #7
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I thought the thread title might get a few more looks....A few laughs and maybe learn something in the bargain....I was actually noticing some trailers with what seemed a more aerodynamic nose than the Octane. A nice rounded fiberglass cap on front. I wish the Octane had that. The one link I put (first one) had a pickup truck wing halfway down the page. Maybe like the one Wrascal was describing. I wonder if the trailer front needs to be a certain distance from it to be effective. An instance where a 6' bed would be better. Mines 8'
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Old 12-15-2014, 04:15 PM   #8
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I have to wonder if something like this would be worth it to the average RVer. You might see a fraction of a mile difference. This wouldn't mean much to someone who tows 2-5K miles per year. However, on a big rig that goes hundreds of thousands of miles, a little difference translates to big money. The payback period would be truncated significantly.

Then again, I posed the question a while back because of something I saw in an RV park, and the consensus was that it wasn't worth it. I was intrigued by the idea because the front of my trailer is VERY flat and VERY vertical. I was thinking if I could sling the air up over the top of the tall vertical surface, it might make some significant difference...
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Old 12-15-2014, 06:34 PM   #9
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I would be curious to know those Air Fairings work as well for kicking the air upwards by the time the trailer hits it.
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Old 12-15-2014, 07:29 PM   #10
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It seems to me that a truck with a cap on it or an SUV would get better mileage simply because air doesn't go over the cab, then down behind the truck and slam into the front of the camper. It SEEMS that having the air slam into the front of the truck and front of the trailer would result in more resistance... therefore having it only slam into one would create less resistance.


But what do I know...


I'm also the guy that wonders why long haul buses and Class A campers have such a flat front. Seems awful inefficient.
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