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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHthe sign of things to come??
Leading reported evidence
Replace much
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1
Discussions
Read evidence and context
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Performed · outcome unconfirmed
They stated the temperatures hadn't changed much from morning to afternoon.
Leading evidence: 'Replace much' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'latter' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Replace much' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suspected cause
This add an alternative to repainting the whole car but question is does this wrap strong enough to last through our harsh environment or just design for few races, probably the latter.
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Suggestion
If they ran the tests with the same set of say Hoosiers, the grip level of say A6s will not be the same as the first 15 laps as they are always faster when new.
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Suggestion
There was never any mention made of the subsequent 15 laps run with fresh tires.
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Suggestion
My money says this idea died in the real wind tunnel test, so in an effort to salvage the investment, a less scientific but much sexier "test" was shot on a winding race track with a GT3.
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Suggestion
If they ran the tests with the same set of say Hoosiers, the grip level of say A6s will not be the same as the first 15 laps as they are always faster when new.
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Suggestion
My money says this idea died in the real wind tunnel test, so in an effort to salvage the investment, a less scientific but much sexier "test" was shot on a winding race track with a GT3.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
latter
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
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Reported fixes
Read evidence and context
Discussions that suspect a cause
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Suspected cause
This add an alternative to repainting the whole car but question is does this wrap strong enough to last through our harsh environment or just design for few races, probably the latter.
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18 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
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Generation: 20261026T152433Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Slower lap times in the afternoon, huh?? I question the validity of the data. With the higher temps in the afternoon, you would expect slower lap times than in the morning even the car didn't have the wrap. Changing two variables simulataneosly (higher temp + removing wrap) diminishes the credibility of their claim in my opinion. I'm not saying the concept doesn't work. However, THIS demonstration doesn't prove it to me.
Wouldn't they be able to do that test in a wind tunnel?
Turn on the air to 60 MPH and measure the force of the car moving backwards... Really you want to find out if the dimpled covering reduces the friction against the air. If it does, that's the equivalent to getting a wee bit more horse power.
I think they had already done that and were looking to see what kind of benefits you could see on the track. I'd be curious to see what the wind tunnel test results were, and what this could be made into with further development.
Pretty cool.
Kinda a neat idea... This add an alternative to repainting the whole car but question is does this wrap strong enough to last through our harsh environment or just design for few races, probably the latter. Anyhow thanks for sharing!
As an avid student of aerodynamics, I can tell you that this idea on a car absolutely does not work.
The small dimples on a golf ball do work because of it's spherical shape and the pocket of air that encases the ball as it travels through the area. Because a car has so many different angles and shapes, the dimples do not work as they would on a golf ball.
Formula 1 teams and their aerodynamicists studied if the same dimple effect would work on their cars many years ago and found that it was actually slowing the cars down. This was tested in wing tunnels as well as the track.
Because of the aforementioned multi-angular cars, smoother surfaces actually work better. In fact, many F1 teams no longer paint the leading edge of their wings and body work on their cars because of the tendency of the paint to get chipped up during the course of a race from debris of other cars that they are following or their own exposed tires. As a result of the chipped paint at the leading edge, aerodynamicists found that their vehicles were actually less efficient and had more drag because of the uneven edges to their wings.
A few things come to mind when I saw that film:
1. The testing was less than scientific in that the 15 lap runs in the morning with the wrap were probably is cooler temps than in the afternoon sans the wrap. In Texas where this was conducted, that could be a big difference.
2. There was never any mention made of the subsequent 15 laps run with fresh tires. If they ran the tests with the same set of say Hoosiers, the grip level of say A6s will not be the same as the first 15 laps as they are always faster when new. Once again, nothing was said about tires and we're assuming the tires were new to begin with, but they could have been corded for all we know.
3. When in doubt, follow the money trail. This was a good PR piece for this guys wrap business, but there is not a huge market for track cars with dimpled wrap. However, what the owner is angling for is expanding his business to the almost never ending trucking business where if this wrap thing took off, it could make him and others in the business multi-millionaires.
What I didn't understand is why they did not use 2 GT3s...one with the wrap and the other stock and ran them on track at the same time. All that work to put it on and then ripped it off...Yikes.
I think Pete is right, if it did work, the F1 racing guys will be all over it.
My money says this idea died in the real wind tunnel test, so in an effort to salvage the investment, a less scientific but much sexier "test" was shot on a winding race track with a GT3. Even the driver stumbles for something positive to say other than what a great bra it makes. I feel just a little dumber after watching it. And that ain't easy.
