A Happy Customer

Before we had the Airtabs on our 30 ft Winnebago motor home, it was very difficult to drive. We got pulled side to side passing every 18 wheeler we passed and we could only reach 70 mph, with struggles. After we put on the Airtabs, we can now pass 18 wheelers with ease and not need to hold on to the steering wheel so tightly. We are far more comfortable driving now and can reach speeds of 80 with ease. We have also noticed a significant improvement in our gas mileage. Before, we had to fill up every 3 hours, now we can go a little over 4 hours without a fill up.
Thank you!
Michelle

Case study – Vortex generators on Semi-Trailer

This trial sought to further quantify the fuel efficiency benefit of an aftermarket device (Airtabs™) fitted to reduce aerodynamic drag. The trial was conducted for one semi-trailer running a regional line haul application in Perth.
The Green Truck Partnership is designed to be a forum to objectively evaluate the merits of clean vehicle technologies and fuels by heavy vehicle operators. This report discusses the second trial of vortex generating aerodynamic devices. The device was fitted to a curtain-sided semi-trailer in 2015 and monitored over six months and over 80,000 kilometres (baseline + trial).
Learn more or Download

Case study – Vortex generators on Single Truck and Trailer

This trial sought to quantify the fuel efficiency benefit of an aftermarket device (Airtabs™) fitted to trailers to reduce aerodynamic drag. The trial was conducted for one truck and dog running a regional line haul application in New South Wales.
The Green Truck Partnership is designed to be a forum for the objective evaluation of the merits of clean vehicle technologies and fuels by heavy vehicle operators. This report discusses the results of an aerodynamic device trial conducted under the program in 2014
Learn more or Download

Case study – Vortex generators on Road Train

This trial sought to further quantify the fuel efficiency benefit of an aftermarket device (Airtabs™) fitted to reduce aerodynamic drag. The trial was conducted for one B-double tanker running a regional collection and delivery run in South East Queensland.
The Green Truck Partnership is designed to be a forum for the objective evaluation of the merits of clean vehicle technologies and fuels used by heavy vehicle operators. This report discusses the fourth trial of vortex generating aerodynamic devices. The device was fitted to a B-double tanker in 2016 and monitored for 7 months and over 30,000km (baseline + trial).
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A follow up on how Edward did the install..

Received September 12 , 2017

Hello Jack,

More on my installation.

I made sufficient 1/4″ X 2″ X 4″ blocks to fill all of the valleys on the siding then cemented them in place with caulking compound. I cut the drip edge to length and installed the air tabs on it before applying the finished panel to the rear of the trailer which had been prepped by running two parallel beads of caulking from top to bottom. I them used self tapping round headed sheet metal screws to fasten the panel to the trailer side, water-proofing each screw with clear Goop. Lastly I filled the leading edge of the aluminum with a fairing of weather-proof caulk.

We have now been about 2000 miles with the tabs and as I wrote earlier, I LOVE THEM!!! It is almost hard to believe how well they work for eliminating the vacuum of passing trucks and the associated swaying of my trailer. The only exception is when an overtaking semi passes me during a left hand curve but now I can usually time that to avoid it. I also cannot yet comment on wind effects but I will when I get some experience. Today we are avoiding Irma by staying put in a campground in northern South Carolina. That’s why the photos have grey skies and the trailer is wet.

Ted

Note: When asked why Airtabs on only two sides, Ted said he ran out of time to finish the installation before leaving on his trip to South Carolina. But will finish the install on the curb side when he returns home.

Received September 11, 2017

Airtab,

I installed the air tabs on the driver’s side and the roof. For the trailer’s corrugated side I used a piece of white drip edge with 1/4″ thick pieces of wood to fill the hollows and caulked the leading edge. I couldn’t be happier with the results!!! Except for when a truck overtakes me while on a left-hand curve I no longer feel any effects of the trucks, wonderful, wonderful, wonderful! I don’t even care about any gas mileage savings and would have paid well over $1,000 for your product had I known how well it works for passing trucks. I no longer fear their approach in my mirrors. You’ve got a real winner and I am surprised by how few I see on other trucks and campers. Thank you, thank you, thank you.

Edward
NH
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