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Old 05-11-2014, 07:53 PM   #11
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The rather lengthy article I read about testing one indicated that it would have to be the width of the trailer to even begin to be effective. The most cost effective things are enclosed under body and a boat tail rear. Plus many newer fifth wheels are fairly aerodynamic to begin with. Think "round corners".
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Old 05-11-2014, 08:24 PM   #12
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Originally Posted by cadman99 View Post
The rather lengthy article I read about testing one indicated that it would have to be the width of the trailer to even begin to be effective. The most cost effective things are enclosed under body and a boat tail rear. Plus many newer fifth wheels are fairly aerodynamic to begin with. Think "round corners".
The one I had years ago came off a semi tractor and was not cut down width wise, it had curved sides/edges and did keep the bugs off the entire top of the trailer. I did get bugs on the lower 2'-3' that wasn't shielded by the truck itself. Being mounted on the rear of the topper, it was only about 4-1/2'-5' from the top of the deflector to the camper.
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Old 05-12-2014, 01:13 AM   #13
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Got any pictures of that set up OC? Sounds interesting.
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Old 05-12-2014, 10:56 AM   #14
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The eternal quest - better gas mileage. Give up - there is no easy or any way to greatly improve your gas mileage. Some fairly expensive modifications will make differences that are barely noticeable. If you are going to move a 10,000 pound barn door down the highway at 60 mph it just takes that much fuel.
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