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Those probably aren’t affecting the air behind my tractor, lol.
Actually, it does... same effect, which is why they recommend sliding the 5th wheel as far forward as possible to cozy the trailer up to the cab.
 
Let's test it. You ride I'll drive. 😀


Truckers .....question how much you think a big rig like this cost??? Second question .....how much money do you think the thief had in his pockets???? Third question how much money will this trucker loose road time for pay checks. O and by the way my toralation of theives is 0.
 
Actually, it does... same effect, which is why they recommend sliding the 5th wheel as far forward as possible to cozy the trailer up to the cab.
Yep, and mine is all the way to the rear, and nothing is blowing the little plastic seal off the catwalk.

also, the move from the front to the rear showed no fuel economy difference.
I’m crediting all of this to the air tabs.
 
Yep, and mine is all the way to the rear, and nothing is blowing the little plastic seal off the catwalk.

also, the move from the front to the rear showed no fuel economy difference.
I’m crediting all of this to the air tabs.
I blame ELD.
 
Yep, and mine is all the way to the rear, and nothing is blowing the little plastic seal off the catwalk.

also, the move from the front to the rear showed no fuel economy difference.
I’m crediting all of this to the air tabs.
Peterbilt used to have a white paper on their site claiming up to 3% improvement as you moved the trailer forward.

Probably doesn't work on a Kenworth...
 
Yep, and mine is all the way to the rear, and nothing is blowing the little plastic seal off the catwalk.

also, the move from the front to the rear showed no fuel economy difference.
I’m crediting all of this to the air tabs.
Did you track mileage before and after air tabs? Is there a real world difference?
 
Did you track mileage before and after air tabs? Is there a real world difference?
When I put them on my other tractor, I tracked it for a month or two, and saw maybe a 0.1 mpg improvement. Still, if you do ten things like that, it adds up to something significant.

Air tabs do a real good job stabilizing the truck in high crosswinds.
 
When I put them on my other tractor, I tracked it for a month or two, and saw maybe a 0.1 mpg improvement. Still, if you do ten things like that, it adds up to something significant.

Air tabs do a real good job stabilizing the truck in high crosswinds.
I have an RV that I pull a trailer with a few times a year. Usually short trips of less than 600 miles. Air tabs might be worth it just to stabilize everything. It gets hairy with anything over a 20 mph crosswind with the trailer back there.
 
I've been thinking about doing some stuff to my cargo trailer. It's 24' long and the dually handles it fine but sometimes little thing make a big difference.

Makes me wonder if a nose cone and/or air tabs would be worthwhile. Nose cones aren't cheap though.
 
I've been thinking about doing some stuff to my cargo trailer. It's 24' long and the dually handles it fine but sometimes little thing make a big difference.

Makes me wonder if a nose cone and/or air tabs would be worthwhile. Nose cones aren't cheap though.
A V nose trailer pulls a lot better behind a pickup. I haven't pulled one of the slant nose V nose to know if they are better. I wonder if airtabs on the trailer would make it better? If you can make it have less drag and have less sway it would have to be an improvement.
 
A V nose trailer pulls a lot better behind a pickup. I haven't pulled one of the slant nose V nose to know if they are better. I wonder if airtabs on the trailer would make it better? If you can make it have less drag and have less sway it would have to be an improvement.
Indeed. My nose is a huge flat area rather than a V. Nose cone has a convincing video with a little model showing a fan pushing a trailer backwards without the cone and not moving it at all with the cone. Assuming no trickery like turning the fan down or whatever, it was impressive.

 
Indeed. My nose is a huge flat area rather than a V. Nose cone has a convincing video with a little model showing a fan pushing a trailer backwards without the cone and not moving it at all with the cone. Assuming no trickery like turning the fan down or whatever, it was impressive.

I would think a nose cone would help but so would a camper top on your bed. Nose cone is definitely cheaper. If you're going to be pulling that box at highway speeds very often it might be worth the investment.
 

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