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Old 03-13-2018, 07:41 PM   #1601  
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Ya man 🇯🇲 like that
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Old 03-14-2018, 09:01 AM   #1602  
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Some interesting aero from a Japan time attack car. I don't know much about it, but here is a link to the source.


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Old 03-14-2018, 09:18 AM   #1603  
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I need that top in my life.
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Old 03-14-2018, 11:08 AM   #1604  
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Quote:
Originally Posted by concealer404 View Post
I need that top in my life.
For the cost of one of your NB's, Rev9 has you covered (https://rev9autosport.com/garage-var...-fastback.html)
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Old 03-14-2018, 11:09 AM   #1605  
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Hah figured it was GV, looked like the super hot sex wet time NC top they make.
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Old 03-14-2018, 02:08 PM   #1606  
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Interesting how they put canards behind the wheel. And they mounted a 3d wing pretty high. Is this doable due to big chord length?
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Old 03-14-2018, 03:54 PM   #1607  
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I would like to see the underside of that car.
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Old 03-14-2018, 04:06 PM   #1608  
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Lots of ideas on that car. Some good, some less so. Curious, does anyone know what kind of drivetrain that car is using?
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Old 03-14-2018, 05:05 PM   #1609  
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Quote:
Originally Posted by ThePass View Post
Lots of ideas on that car. Some good, some less so. Curious, does anyone know what kind of drivetrain that car is using?
I searched for a little bit, but didn't event find anything on "BBQ Roadster". Based on the short blurb of stating it turned a time just under 1min at Tsukuba, I'd assume it was a NA BP. That is about what the NA AE86's run.

Found video of the car:
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Old 03-14-2018, 05:07 PM   #1610  
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Quote:
Originally Posted by Midtenn View Post
I searched for a little bit, but didn't event find anything on "BBQ Roadster". Based on the short blurb of stating it turned a time just under 1min at Tsukuba, I'd assume it was a NA BP. That is about what the NA AE86's run.
But I bet you found a lot of hamburgers.
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Old 03-14-2018, 05:15 PM   #1611  
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Quote:
Originally Posted by matrussell122 View Post
But I bet you found a lot of hamburgers.
Yes, yes I did. Now I'm hungary. I convered Roadster to Kanji and got more hits (see linked video), but not much information on it. It did turn a 59.6 at Tsukuba on 225's at one point though.
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Old 03-14-2018, 05:18 PM   #1612  
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Front aero pic.

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Old 03-17-2018, 08:20 PM   #1613  
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Quote:
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I would like to see the underside of that car.
I see barge boards but don't see a flat floor inboard of the boards or in front of the diffuser?
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Old 03-18-2018, 01:08 PM   #1614  
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I don't think that it's a great aero package on that car. But it probably helps his lap times all the same.
Here is the start of my new aero package. I have laid up the carbon fibre, but forgot to take a pic. The green line is the part I am making. It's as wide as the car at 65" wide, and high as the roof. It bolts in to the chassis in the area that is hidden by the rear bumper. Next is to make the wing...

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Old 03-19-2018, 11:12 AM   #1615  
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Sean from Narita replied to my request for more information:

Quote:
Owned by Kaoru Inoue, a privateer. Motor has about 230hp, car weighs 810kg. Uses 225/45/16 A050’s. A mix of custom and Garage Vary aero.
I'm asking a semi-uninformed question here. With the lack of HP, could the aero choices made be based on low drag rather than ultimate downforce?
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Old 03-19-2018, 04:22 PM   #1616  
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Of course you can go for low drag. Smooth everything, tiny intake for heat exchangers ducted out the hood, square off the back, wheel covers, etc.
But having downforce will still yield faster lap times. I only have about 120hp in the black car, yet i have heaps of aero for downforce. Last time out I was the 6th fastest car outright, and only half a second off the MX5 club outright record. And that was on 2 old R specs, and 2 S spec tyres. If your on the hwy, go low drag.
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Old 03-23-2018, 04:11 PM   #1617  
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I'm curious, has anyone tried making vertical fences/endplates for a spoiler (NOT a wing). I have more Lexan lying around . Has anyone has tried this, or know how it would affect the performance of the spoiler?


**Edit: The low AOA in this photo is due to me compensating for a bad alignment that was causing crazy understeer, which has since been fixed. This idea is about taking advantage of the end plates allowed in my class, since I do not currently have the budget for a big wing. The car will also eventually have splitter of some kind.


E.G a plate on each side of a spoiler that just boxes in the sides and channels air through it. I was thinking of starting the fences a bit wide and tapering them in to the width of the spoiler to have it 'grab more air' even at a lower AOA. See my amazing MS paint diagram below.

I am Aero Noob. School me please.

View from above:


Last edited by soot; 03-23-2018 at 06:40 PM.
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Old 03-23-2018, 05:50 PM   #1618  
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Not to be Captain obvious here, but if you're in an autocross, why aren't you just bumping the AOA like 20 degrees more?
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Old 03-23-2018, 06:35 PM   #1619  
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Quote:
Originally Posted by Blackbird View Post
Not to be Captain obvious here, but if you're in an autocross, why aren't you just bumping the AOA like 20 degrees more?
The car was understeering due to a bad alignment, which has since been fixed. This is not my typical AOA

I edited my initial post to reflect that.
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Old 03-23-2018, 09:19 PM   #1620  
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Quote:
Originally Posted by soot View Post
I'm curious, has anyone tried making vertical fences/endplates for a spoiler (NOT a wing). I have more Lexan lying around . Has anyone has tried this, or know how it would affect the performance of the spoiler
I don't see a problem with that, though it would increase drag. But why wouldn't just you make a wider or longer spoiler?
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