Sciaru BRZFRS (BreezeFrees)

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eSZee
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Is it just me or is that spare tire kind of weird just open in the trunk? They should put a cover over it.
 
Take out the tire and it's the perfect place to put your bogu bag.
 
eSZee
The tear drop shape is most efficient, right? Fat front/middle into a sloping rear. Or am I confusing myself? Though that shape wouldn't be very practical and I'm assuming that's why it hasn't been used more to the extent of the EV1. The Prius starts to slim down towards the back but it cuts off pretty sharply. I've seen some people put elongated structures onto their cars to reduce drag but again, not practical.
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You're right. Teardrop is most efficient. In the absence of being able to do a full teardrop (i.e. everywhere, since it'd extend cars like the Prius by another three or four feet of unusable space), the next most efficient thing to do is cut the car off abruptly, known as a "kamm" back - like the Prius, Insight, CR-Z etc. GM EV1 had a Cd of 0.195, lowest ever in a production car.

With clever aero techniques cars like the Lexus you mentioned, the Toyobaru, a few modern Mercedes and BMWs, companies can make some pretty slick bits of metal without necessarily needing the "optimal" shape.

Of course, CdA (drag x area) is the most important figure, and in this respect the Toyobaru is probably one of the lowest drag vehicles in production today, since it has such compact frontal dimensions.
 
eSZee
The LS460 is lower and so is the older LS430.
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That's no fancy feat. Long cars tend to have low Cds, for one because the swept surfaces like the rear window tend to slope more gradually, reducing boundary layer separation. Miatas are notorious for having some of the worst coefficients of drag on the road. About the same as a Chevy cargo van with big dumbo mirrors hanging off the side, actually.

RocZX
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Is it just me or is that spare tire kind of weird just open in the trunk? They should put a cover over it.
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That's looks like a full-size spare tire. Probably an option. The US-spec cars didn't have that in the photos.
 
Keef
That's no fancy feat. Long cars tend to have low Cds, for one because the swept surfaces like the rear window tend to slope more gradually, reducing boundary layer separation. Miatas are notorious for having some of the worst coefficients of drag on the road. About the same as a Chevy cargo van with big dumbo mirrors hanging off the side, actually.
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True.

So to with Lotus 7 replicas. FM's shop car (260hp turbo + 1100lb car = :eek:) was a rocket ship until 100mph, then it hit the aerodynamic equivalent of a brick wall.
 
I REALLY like that... TRD(?) version. Being a car that went to extremes to save weight, i'm not sure why they've decided on such a... large spoiler. But none the less I think it looks great. Just showed my father in the US, he said that he might sell his E46 M3 for that depending on specs. I don't know if i'd go as far as to sell an M3 :D
 
R1600Turbo
True.

So to with Lotus 7 replicas. FM's shop car (260hp turbo + 1100lb car = :eek:) was a rocket ship until 100mph, then it hit the aerodynamic equivalent of a brick wall.
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It's the price you pay for a car with so little body to it, unless you get a donkervoort.
 
I don't know why they don't make a plastic zeppelin shell for that car. You figure it's a kit car anyway so it shouldn't be hard to do. There's a guy on ecomodder who can do like 100+ mph on his recumbent aero-shelled moped.
 
Am I the only one getting a strong Supra vibe coming from the TRD?
 
Not sure if this video has been one that has been posted. But, flip to 3 minutes and 10 seconds. You get a good listen at the exhaust note.




Crispy
Am I the only one getting a strong Supra vibe coming from the TRD?
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I agree, some far away side angles i've seen of it, i've sat there wondering... "dang that looks an awful lot like a supra."
 
Crispy
Am I the only one getting a strong Supra vibe coming from the TRD?
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Very much so.

Kamuifanboy
Not sure if this video has been one that has been posted. But, flip to 3 minutes and 10 seconds. You get a good listen at the exhaust note.

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That wing just looks stupid. I HATE that I've become a UEL header sound fanboy because all 4-cylinders just sound like fart-cannoned Honda rice-rockets to me now. The EL 4-cyl. sound will grow on me eventually but for now, I'm not much of a fan, unfortunately.
 
Kamuifanboy
Not sure if this video has been one that has been posted. But, flip to 3 minutes and 10 seconds. You get a good listen at the exhaust note.
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That's with the TRD exhaust, I'm assuming?
Sounds great but will be priced too high. Shame.
 
homeforsummer
You're right. Teardrop is most efficient
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It actually isn't, at least not a water formed teardrop.

The shape of a teardrop is partially cause by its Viscosity, the ideal shape as speed record attempt shows is more an elongated shape.

and teardrops doesn't account ground effects, which you have to in a car.
 
JJ72
It actually isn't, at least not a water formed teardrop.

The shape of a teardrop is partially cause by its Viscosity, the ideal shape as speed record attempt shows is more an elongated shape.

and teardrops doesn't account ground effects, which you have to in a car.
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I've continued the discussion here, so we don't go too far off topic with this aero conversation :)
 
R1600Turbo
That car is not stanced. It would need deep dish wheels with super stretched tires sticking out of the fenders.
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Doesn't need deep dished wheels to be stanced, nor doesn it need stretched tires. If anything we could just call it slammd, which is just as impractical.
 
Kamuifanboy
Not sure if this video has been one that has been posted. But, flip to 3 minutes and 10 seconds. You get a good listen at the exhaust note.

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At some point in the video, I saw the quote, "built by passion, not by committee!" And I really that attitude shows through with this thing. Whether or not you like this particular car, everyone should hope this thing succeeds to the highest extent because it will spawn competitors from other companies. And business competition is good for everyone including the customers.
 
Is it just me, or does that TRD car's front end look alot like the FT-86 II with the funky carbon bits coming through the grille.
 
Are there any aero kits that actually do something to help aerodynamics?
 
squirlybmx
Doesn't need deep dished wheels to be stanced, nor doesn it need stretched tires. If anything we could just call it slammd, which is just as impractical.
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When I hear "stanced", I think deep dish and stretched tires. In fact, search Google for the word stanced and that's exactly what comes up.

I will admit though, the car is a bit low for my tastes, but it looks oh-so-right on TE37's.
 
R1600Turbo
When I hear "stanced", I think deep dish and stretched tires. In fact, search Google for the word stanced and that's exactly what comes up.

I will admit though, the car is a bit low for my tastes, but it looks oh-so-right on TE37's.
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Again, I'll probably get at least a page of abuse for this, but those roll the fenders and those TE37's would be the equivalent of the worlds hottest women standing naked around the car.
 

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