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Old 09-07-2018, 12:09 AM   #51 (permalink)
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Part of what we’re saying is that, yes, you did eventually hit 50mpg in your 2001 Prius but I bet that you altered your driving to get it, just as I changed my driving to get 50mpg with my Saturn... even as modded as my car is, should I wanna go back to driving like I used to, I’d be lucky to still get 40mpg...

You need unbiased testers that have nothing in it but to obtain data, whether it sinks your business venture or not...

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Old 09-07-2018, 09:22 AM   #52 (permalink)
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You are correct, the scanners out do make you more aware of how you drive. The unbias opion is why I came to you guys.
I have nothing but supported everyone's comments.
I truly do want to see if others get the same results.
What better way to test. Offer them for free.
Then, write your comment.
Does it really work? How many of you are thinking that?
Email and I will send you a set for free. Davekacz131@gmail.com.
You don't even have to comment. That's up to you.
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Old 09-07-2018, 10:55 AM   #53 (permalink)
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Take a tire off the car, find a nice long open hill with nothing to damage or interfere with it, and release. Let the tire roll down to the bottom and come to a stop.

Repeat 100 times. Measure the distance the tire rolls and keep close track.

Add the tabs. Repeat the same test as above - do not push the tire - and measure the distances again. Post your findings.

This test removes every variable except the aerodynamic effects on the tire. Release from the same spot every time, going the same direction every time, and for the love of God use the same tire, before and after.

The point I'm trying to make is that you're making a pretty strong claim but providing no documentation - you say you've been testing for a couple of years, but where are the results of those tests? We only have your word and words, as they say, are cheap.

God help me I'm actually considering sending you my address. My use case is this: I commute about 25 miles each way, but during the day my wife uses the car for work-related errands. We do anywhere from 60-150 miles per day. I hypermile but she doesn't, not in any way.

Were I to try your product, I would be bluntly honest about the vehicle's performance. There is such variability in how the vehicle is used that there is NO way to concretely attribute any gains or losses in fuel economy to any one factor. So even if my mileage suddenly jumped 100% - in my wildest fantasies - I still wouldn't give RocketTabs much credit. In such an uncontrolled setting, any factor or combination of factors could be the cause, up to and including offsetting or compounding whatever deleterious or advantageous effect the RocketTabs might be having, if indeed they have any effect at all.

So after mulling it over a bit more, I have come back to my original stance. Not giving you my address, not putting them on my car. In short, not buying it. Not even for free.

Sorry.
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Old 09-07-2018, 10:59 AM   #54 (permalink)
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Old 09-08-2018, 05:03 AM   #55 (permalink)
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I've sent a message thru your website

I wanna try them - no A-B-A testing though- but ~5 to 10% would be instantly visible on my regular commute.
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Old 09-08-2018, 08:46 AM   #56 (permalink)
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Sent you my address. My Insight is highly sensitive to even very small changes, and should show obvious improvement or loss from these.
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Old 09-19-2018, 02:12 PM   #57 (permalink)
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Quote:
Originally Posted by Kacz42 View Post
I have not tested with the smooth hubcaps. All I can say is my wife is very happy with the results. She has the rogue, it went from 22mpg to 27-28mpg. She does drive like she stole it.
I found this early message particularly interesting in potentially explaining the jump from 22 mpg to 27-28 mpg, which is approx 25% increase.

"She does drive like she stole it."

I am not truly a hypermiler, but I do keep track of all my fuel-ups on Fuelly.com and use a ScanGauge II all the time to see instant and average fuel mileage and other parameters.

Even without using any sort of tabs, vortex generators, or other aerodynamic mods, I can easily achieve a 25-30% fuel mileage difference between my daily trips to work. Same routes, same times everyday.

The biggest sources of variability are traffic conditions and the nut behind the wheel.

For example when I'm in a rush, speeding, passing traffic, weaving between highway lanes or dealing with heavy traffic, I easily burn 30% more fuel than when I'm taking my time, driving within the speed limit, coasting to a stop and using the instant fuel gauge as a guideline.

As such, your wife could have simply stopped driving like she stole it, after the rocket tabs were installed, and like "magic" the mpg increased by 25%.
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Old 09-20-2018, 09:18 AM   #58 (permalink)
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Received my tabs. Hope to review them soon.
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Old 09-24-2018, 05:29 AM   #59 (permalink)
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I anxiously await your findings
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Old 10-03-2018, 07:33 AM   #60 (permalink)
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Any joy?

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