Video: FR-S / BRZ Aerodynamics and D-4S Fuel Injection Explained - Scion FR-S Forum | Subaru BRZ Forum | Toyota 86 GT 86 Forum | AS1 Forum

Moshpit37 · 06-20-2012, 07:43 PM

Just watched the video about the Torsen LSD and saw these as well:

Aerodynamics of the FR-S:

Also the D-4S technology explained:

DubGUy · 06-20-2012, 08:38 PM

Quote:

Originally Posted by Moshpit37

Just watched the video about the Torsen LSD and saw these as well:

Aerodynamics of the FR-S:

2013 Scion FR-S | Aerodynamics Explained - YouTube

Also the D-4S technology explained:

2013 Scion FR-S | D-4S Technology Explained - YouTube

Seen them all already thanks!!!!

Jordo! · 06-20-2012, 09:00 PM

Interesting. So DI vs port isn't just load dependent, it also varies in output depending on piston position?

That will make tuning fun...

Snoopyalien24 · 06-20-2012, 09:04 PM

Nice they explained everything like I was five

Draco-REX · 06-20-2012, 09:16 PM

So, absolutely no substance to the aero video. Just "These are aero parts. THey make the car go better!" I was hoping for more.

The animator for the second video has no idea how a 4 stroke engine works...

RidetheTran · 06-20-2012, 10:43 PM

Did anyone notice the headlights at 0:25 and 0:41 ? The car carry's a scion badge and has the LED headlights and fogs...interesting

tripjammer · 06-21-2012, 12:11 AM

Quote:

Originally Posted by RidetheTran

Did anyone notice the headlights at 0:25 and 0:41 ? The car carry's a scion badge and has the LED headlights and fogs...interesting

We will get HIDs one day...probably model year 2014...

GirlyScions · 06-21-2012, 12:39 AM

I had no idea the "aerodynamics" were so involving to the design of the car. To me it just looks like a sporty 2 door coupe..

itsibarra · 06-21-2012, 12:49 AM

Quote:

Originally Posted by Draco-REX

So, absolutely no substance to the aero video. Just "These are aero parts. THey make the car go better!" I was hoping for more.

The animator for the second video has no idea how a 4 stroke engine works...

^ haha agreed. The commentator sounded like he was reading from flash cards, and the info was aimed at kids in a science fair.

azian_advanced · 06-21-2012, 01:03 AM

i noticed the LEDs on the scion, but anyone notice the engine near the end? what engine is that? looks like a v6

Bristecom · 06-21-2012, 01:05 AM

Quote:

Originally Posted by RidetheTran

Did anyone notice the headlights at 0:25 and 0:41 ? The car carry's a scion badge and has the LED headlights and fogs...interesting

Yeah, but they also showed it having the 18 inch prototype wheels and a 6 cylinder engine. So it's just a mish-mash of pics and I wouldn't read much into it. However, there is still one official Scion pic with LED's so I'm hoping they will indeed include it for next year.

So this video says it only uses the DI at high speeds yet the other Toyota videos I've seen said it uses DI only at mid speeds and both DI and port again at high speeds. They are probably going off of the documentation for the previous generation D-4S.

Bristecom · 06-21-2012, 01:08 AM

Quote:

Originally Posted by azian_advanced

i noticed the LEDs on the scion, but anyone notice the engine near the end? what engine is that? looks like a v6

Somebody commented it's the Subaru EG33 6 cylinder boxer engine.

Speaking of which, can you imagine if the FR-S had one and sounded like this?

86_ZN6 · 06-21-2012, 05:12 AM

Quote:

Originally Posted by RidetheTran

Did anyone notice the headlights at 0:25 and 0:41 ? The car carry's a scion badge and has the LED headlights and fogs...interesting

It also has the jdm exhaust tips

subatoy · 06-21-2012, 08:30 AM

that aerodynamics video is all marketing BS, Designers made it look good, period.
that fuel injection system needs to be refined, that nasty Torque drop at 4k rpm sucks ass!

Turbowned · 06-21-2012, 08:42 AM

Those are just Toyota 86's with Scion emblems pasted on. They probably did this so as not to confuse any simpleton Scion employees

That aerodynamics video was a lot less technical than I was hoping for...

SnapOv3st3r · 06-21-2012, 10:33 AM

Quote:

Originally Posted by Bristecom

Somebody commented it's the Subaru EG33 6 cylinder boxer engine.

Speaking of which, can you imagine if the FR-S had one and sounded like this?

FAPFab long tube headers EG33 GC RS - YouTube

That sounded really good.

phattyduck · 06-21-2012, 11:40 AM

Quote:

Originally Posted by Draco-REX

So, absolutely no substance to the aero video. Just "These are aero parts. THey make the car go better!" I was hoping for more.

The animator for the second video has no idea how a 4 stroke engine works...

All I could do was stare and shudder watching the 'engine' do its thing. It was almost 2-stroke like, but with valves... and the injectors fired at the wrong time... ahhhh!!!!

-Charlie

Snoopyalien24 · 06-21-2012, 01:17 PM

Quote:

Originally Posted by RidetheTran

Did anyone notice the headlights at 0:25 and 0:41 ? The car carry's a scion badge and has the LED headlights and fogs...interesting

Yeah on their wallpaper site they have them in an all blacked out housing as well

Matt Andrews · 06-26-2012, 10:00 AM

that aero vid is all marketing. I'm getting ready to buy the CAD drawings of the FR-S for CFD modeling, and have had the car reviewed by folks that work in ALMS and sport car series as an aero engineer. The FR-S is no different than most cars on the road today. An aero engineer says what is optimal, then the style designers make it "look cool" - which effectively screws up the aero package.

Maybe I am too performance minded, but it made me chuckle when they said their design reduces downforce to improve fuel mileage at high speed. :P

Quentin · 06-26-2012, 08:19 PM

Well, there is truth to it. Rolling resistance drag increases linearly with weight (the force down on the road). Add'l downforce would thus increase rolling resistance drag which would decrease fuel economy.

As long as the shape doesn't create lift for better fuel economy, we're alright.

06-20-2012, 09:04 PM	#4
Snoopyalien24 Mr. Sarcasm Join Date: Sep 2011 Drives: 1996 Coro's Rolla Location: South Florida Posts: 3,641 Thanks: 1,196 Thanked 671 Times in 442 Posts Mentioned: 25 Post(s) Tagged: 4 Thread(s)	Nice they explained everything like I was five __________________ Get your very own FT86CLUB T-shirts/keychains/goodies! CLICK HERE New site

06-20-2012, 09:16 PM	#5
Draco-REX Senior Member Join Date: Feb 2012 Drives: 07 STI, 03 WRX, 13 BRZ Location: Ohio Posts: 2,334 Thanks: 64 Thanked 1,009 Times in 467 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	So, absolutely no substance to the aero video. Just "These are aero parts. THey make the car go better!" I was hoping for more. The animator for the second video has no idea how a 4 stroke engine works... __________________ 2013 Crystal Black Silica 6MT BRZ, "Ghost"

06-26-2012, 10:00 AM	#19
Matt Andrews Senior Member Join Date: May 2012 Drives: race cars Location: Newport Beach, CA Posts: 247 Thanks: 31 Thanked 145 Times in 68 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	that aero vid is all marketing. I'm getting ready to buy the CAD drawings of the FR-S for CFD modeling, and have had the car reviewed by folks that work in ALMS and sport car series as an aero engineer. The FR-S is no different than most cars on the road today. An aero engineer says what is optimal, then the style designers make it "look cool" - which effectively screws up the aero package. Maybe I am too performance minded, but it made me chuckle when they said their design reduces downforce to improve fuel mileage at high speed. :P __________________ 11/19/12 - Just back from Redline TimeAttack's demo event. Video and write up in link below. http://fecompetition.wordpress.com/ https://www.facebook.com/FECompetition

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06-20-2012, 09:00 PM	#3
Jordo! Enjoy it, destroy it. Join Date: Oct 2009 Drives: Datsun Racing Hen Location: Blank Generation Posts: 824 Thanks: 6 Thanked 48 Times in 39 Posts Mentioned: 0 Post(s) Tagged: 2 Thread(s)	Interesting. So DI vs port isn't just load dependent, it also varies in output depending on piston position? That will make tuning fun...

06-20-2012, 10:43 PM	#6
RidetheTran Member Join Date: Nov 2011 Drives: Toyota Location: SoCal Posts: 73 Thanks: 27 Thanked 85 Times in 17 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Did anyone notice the headlights at 0:25 and 0:41 ? The car carry's a scion badge and has the LED headlights and fogs...interesting

06-21-2012, 12:39 AM	#8
GirlyScions Member Join Date: May 2012 Drives: Mazda3 Location: PA Posts: 61 Thanks: 5 Thanked 19 Times in 10 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I had no idea the "aerodynamics" were so involving to the design of the car. To me it just looks like a sporty 2 door coupe..

06-21-2012, 01:03 AM	#10
azian_advanced Senior Member Join Date: Apr 2010 Drives: 1995 Toyota Celica GT-Four Location: Calgary Posts: 144 Thanks: 43 Thanked 110 Times in 27 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	i noticed the LEDs on the scion, but anyone notice the engine near the end? what engine is that? looks like a v6

06-21-2012, 08:30 AM	#14
subatoy Senior Member Join Date: Oct 2011 Drives: subatoy Location: Atlanta Posts: 661 Thanks: 32 Thanked 181 Times in 101 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	that aerodynamics video is all marketing BS, Designers made it look good, period. that fuel injection system needs to be refined, that nasty Torque drop at 4k rpm sucks ass!

06-26-2012, 08:19 PM	#20
Quentin Senior Member Join Date: Dec 2011 Drives: '05 MCS, '10 4Runner, '12 Prius v Location: Eleanor, WV, USA Posts: 180 Thanks: 60 Thanked 49 Times in 26 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Well, there is truth to it. Rolling resistance drag increases linearly with weight (the force down on the road). Add'l downforce would thus increase rolling resistance drag which would decrease fuel economy. As long as the shape doesn't create lift for better fuel economy, we're alright.

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