6.5 MPG

[ClasAAA]

Originally Posted by Smitty77

Not sure if I notice much difference between the V-Spoilers and Air Tabs? Looks like a set of 3 on the V- Spoilers, vs individual spoilers via the Air Tabs...

I've had the Air Tabs on a Bounder, and made a big difference on shifting winds, passing trucks, and keeping the back of the coach and toad clean and finally also seem to keep more water off of the rear camera in rain. My MPG did go up, but was not my main reason for installing. And my ~.5 MPG higher numbers on a Bounder, I'd suspect would be different if on our current 40' DP.

For those that have handling problems in winds, or passing trucks - I suspect either product would be an aid to assist handling. Everything else, is just gravy on top...

$.02!
Smitty

My cousin had the Airtabs and most people laughed, because it looked strange with small individual pieces in a different clear coat finish, like something a kid had randomly sticked on to it. They then re-branded it to V-Spoilers and added them into panels, and best part was that they are same price (and flexible, so they can conform to curves). I don't even know if they produce the Airtabs anymore - I guess they made the V-Spoilers to dis-continue their first version?
Anyhow, if functionality is the only priority, then both are great..

[rewillia]

Avg. between 6.5 - 6.9 @ 62-65MPH highway in our 45DP w/ISX15-600 Cummins flat towing Jeep GC.

[JBDALHB]

ISB 6.7, 300, a smaller Cummins for sure, but I'm happy I'm seeing 10.1-10.5 mpg towing our CrV with intermittent generator usage.

[Fiesta48]

You want me to stay off your Interstate if I drive 55 to 60? BS. The minimums are usually 45 if posted. Your probably the one driving over the posted speed limit, over weight.

[mwallin]

I,m curious on the effectiveness on a RV compared to a semi. I see where they could make a difference on a semi with a smoother finish being it relies on the boundary layer of air close to the surface, RVs have awnings and handles that would make this irregular and uneven. For me @ 29k and an average of 7.5-8 i'm pretty happy. I'm just happy we haven't gone back to the $4 a gallon diesel

[mdvs]

You just had to bring that up! Now they will with the hurricanes...

[mwallin]

Originally Posted by mdvs

You just had to bring that up! Now they will with the hurricanes...

Yes my bad I just cursed all of us! We have fingers crosses as we have 2 big trips planned before end of the year. Here in Tx gas is the one that really climbed in the last week