Jayco RV Owners Forum

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Old 07-15-2010, 07:21 PM   #1
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Head Wind

I have a jayco 196 and tow it with a 08' Chevy 1/2 5.3 with 3.73 gears. I was checking to see if anyone have used a wind deflector on top of there turck, if so did it help with towing?


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Old 07-17-2010, 10:47 AM   #2
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Location: Saskatoon Sask Canada
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Although I dont have a wind deflector on the top of my truck I do have a cap on it and you can see from the bug splatter where it has forced the wind to when on the highway. In my opinion if you dont have a cap on the truck a wing will be a waste of money as the air will start to drop before it clears the trailer.

2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
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Old 07-17-2010, 07:16 PM   #3
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I don't watch much TV, but I do remember watching the show MythBusters about a year ago. They did an episode on those wind deflectors and actually found they caused more wind resistance than anything.

The theory went that in order for these wind-deflectors to be effective, they would have to be mounted literally an inch away from the front of the trailer - otherwise a natural vortex/downdraft is created between the trailer and the deflector creating more drag than if you didn't have the wind-deflector installed.

Now - to be honest I've never had one, but those two knuckle-heads on that show seem to get it right every now & then!
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