| spidey02wrx | 06-18-2003 04:14 PM |
functional splittler / adjustable wing question
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I've always been "anti-wing" if you can call it that. I have a hard time seeing them as anything but bling for a street-car but my WRX sees very little of the street and I'm starting to think about some aero-mods. Last time on the track the car felt light over 120, and some more stability would be welcome. Does anyone run a splitter/wing combo (adjustable)? Does anyone have any hard data on the various wings out there? I'm looking for something functional so if it takes the gigantor WRC-style wings than so be it, but if I can get away with the s202 style (low wing) that would be nice.
thanks in advance
thanks in advance
| spidey02wrx | 06-19-2003 07:23 AM |
no one runs a splitter/wing at the track?
| STX_REX | 06-19-2003 07:35 AM |
Re: functional splittler / adjustable wing question
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[QUOTE][i]Originally posted by spidey02wrx [/i]
[BI'm looking for something functional so if it takes the gigantor WRC-style wings than so be it, but if I can get away with the s202 style (low wing) that would be nice.
thanks in advance [/B][/QUOTE]
I'm no aerodynamicist (sp?) but based on the shape of the WRX I'm guessing if a wing is going to work, it's going to be ugly.
Is it the front or the rear that gets light?
If its the front I would look for a functional chin/lip spoiler.
[BI'm looking for something functional so if it takes the gigantor WRC-style wings than so be it, but if I can get away with the s202 style (low wing) that would be nice.
thanks in advance [/B][/QUOTE]
I'm no aerodynamicist (sp?) but based on the shape of the WRX I'm guessing if a wing is going to work, it's going to be ugly.
Is it the front or the rear that gets light?
If its the front I would look for a functional chin/lip spoiler.
| 500hpwrxsti | 06-19-2003 08:08 AM |
[QUOTE][i]Originally posted by spidey02wrx [/i]
[B]no one runs a splitter/wing at the track? [/B][/QUOTE]
I run a C/F front splitter and a C/F adjustable wing on the track! I feel that it helps out alot for stability and down force. And my rex runs sub 11's high 10's at the moment!
[B]no one runs a splitter/wing at the track? [/B][/QUOTE]
I run a C/F front splitter and a C/F adjustable wing on the track! I feel that it helps out alot for stability and down force. And my rex runs sub 11's high 10's at the moment!
| fengshui-fu | 06-19-2003 09:30 AM |
[QUOTE][i]Originally posted by spidey02wrx [/i]
[B]no one runs a splitter/wing at the track? [/B][/QUOTE]
I suggest you pose the question to Gary Sheehan since they are running something on their USTCC car.
chris
[B]no one runs a splitter/wing at the track? [/B][/QUOTE]
I suggest you pose the question to Gary Sheehan since they are running something on their USTCC car.
chris
| spidey02wrx | 06-19-2003 10:52 AM |
STX_REX: It might have to be ugly, but looks aren't a concern to me. I just hoped someone had some real-world data (lap times, measurements) to support the big ugly wing over the small ugly wing. Also from everything I could gather, the splitter and wing should be run as a combo to keep the car balanced. There was a tremendous thread over on the honda-tech road-racing board about aero and it got me thinking. The "lightness" (sorry for the lack of the proper term) comes in varying flavors. A general lack of grip comes to mind in the straights and the rear gets loose under braking / turning. Its much better now with an aftermarket suspension, I'm sure with some more tuning of the suspension some of this will go away, but aero must come into play somewhere. I always felt the car was a little light over 100 with the stock height/suspension.
fengshui: I was hoping he would see this post and chime in.
500hp : okay which splitter /wing combo do you run? Even though it seems like you are applying this to the drag stip I'm interested.
fengshui: I was hoping he would see this post and chime in.
500hp : okay which splitter /wing combo do you run? Even though it seems like you are applying this to the drag stip I'm interested.
| GarySheehan | 06-20-2003 02:09 AM |
The first time we ran our splitter was at Willow Springs in 2001 without a wing. It made the car so tail-happy we had to remove it until we put a wing on the car.
I don't have before and after data. I know it works, I don't know how much it's worth. We are building a new splitter and will even add canards for additional front downforce. I don't think these cars can have too much front downforce. Just use the rear wing to trim the car in high speed corners.
Here are two pictures of our front splitter. Click on the picture for a larger image
[URL=http://www.teamsmr.com/images/LVMS%20Sunset%20800x600.jpg][IMG]http://www.teamsmr.com/images/LVMS%20Sunset%20Thumb.jpg[/IMG] [/URL]
[URL=http://www.teamsmr.com/images/SPR%20Straight%20800x600.jpg][IMG]http://www.teamsmr.com/images/SPR%20Straight%20Thumb.jpg[/IMG] [/URL]
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
I don't have before and after data. I know it works, I don't know how much it's worth. We are building a new splitter and will even add canards for additional front downforce. I don't think these cars can have too much front downforce. Just use the rear wing to trim the car in high speed corners.
Here are two pictures of our front splitter. Click on the picture for a larger image
[URL=http://www.teamsmr.com/images/LVMS%20Sunset%20800x600.jpg][IMG]http://www.teamsmr.com/images/LVMS%20Sunset%20Thumb.jpg[/IMG] [/URL]
[URL=http://www.teamsmr.com/images/SPR%20Straight%20800x600.jpg][IMG]http://www.teamsmr.com/images/SPR%20Straight%20Thumb.jpg[/IMG] [/URL]
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
| BOY | 06-20-2003 10:25 AM |
Just some info for the wing... The c-pillar on the GDA is similar enough to the GC8 that the Autospeed Aero testing ([url]http://www.autospeed.com/A_1055/cms/article.html[/url]) should apply. You will need the wing to be tall to be effective, I know you said looks don't matter but I know some SCCA classes mandate max wing height, something to think about.
| GarySheehan | 06-20-2003 01:43 PM |
Boy,
How tall is tall?
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
How tall is tall?
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
| BOY | 06-20-2003 02:44 PM |
In SP for example, the wing may not be more than 10" from the rear deck. Now on the GC8 tested the high wing was required to get into the separated airflow off the rear glass. The Impreza's aero sucks, huge pressure drag in the rear of the car, separated airflow off the window, it sucks (litterally).
Gary, I know the wing you're using is USTCC spec but I'm aware of the actual spec (height, etc). Have you done any aero testing to see how much airflow the spoiler is actually getting?
Gary, I know the wing you're using is USTCC spec but I'm aware of the actual spec (height, etc). Have you done any aero testing to see how much airflow the spoiler is actually getting?
| drees | 06-20-2003 07:57 PM |
So I wonder if the rear window spoiler in this thread significantly reduces drag and turbulence:
[url]http://forums.nasioc.com/forums/showthread.php?s=&threadid=379241[/url]
WRX Wagons come with something similar stock and they supposedly have the same Cd as the Sedan...
[url]http://forums.nasioc.com/forums/showthread.php?s=&threadid=379241[/url]
WRX Wagons come with something similar stock and they supposedly have the same Cd as the Sedan...
| GarySheehan | 06-23-2003 12:13 AM |
Almost done building the new splitter that will debut at California Speedway. This one will use a venturi for additional downforce.
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
| spidey02wrx | 06-23-2003 07:40 AM |
thanks for the input guys, let us know how it feels Gary.
| BOY | 06-23-2003 09:23 AM |
[QUOTE][i]Originally posted by drees [/i]
[B]So I wonder if the rear window spoiler in this thread significantly reduces drag and turbulence:
[url]http://forums.nasioc.com/forums/showthread.php?s=&threadid=379241[/url]
WRX Wagons come with something similar stock and they supposedly have the same Cd as the Sedan... [/B][/QUOTE]
drees, that's the idea behind it... I don't know if its actually been tested but it [i]should[/i] help keep the airflow attached longer reducing pressure drag.
[B]So I wonder if the rear window spoiler in this thread significantly reduces drag and turbulence:
[url]http://forums.nasioc.com/forums/showthread.php?s=&threadid=379241[/url]
WRX Wagons come with something similar stock and they supposedly have the same Cd as the Sedan... [/B][/QUOTE]
drees, that's the idea behind it... I don't know if its actually been tested but it [i]should[/i] help keep the airflow attached longer reducing pressure drag.
| drees | 06-23-2003 02:21 PM |
[QUOTE][i]Originally posted by BOY [/i]
[B]drees, that's the idea behind it... I don't know if its actually been tested but it [i]should[/i] help keep the airflow attached longer reducing pressure drag. [/B][/QUOTE]Theoretically, yeah, but then I wonder why no racing guys have them (that I've seen). Would mean one of two things: 1. It violates the rules. 2. It doesn't work.
[B]drees, that's the idea behind it... I don't know if its actually been tested but it [i]should[/i] help keep the airflow attached longer reducing pressure drag. [/B][/QUOTE]Theoretically, yeah, but then I wonder why no racing guys have them (that I've seen). Would mean one of two things: 1. It violates the rules. 2. It doesn't work.
| BOY | 06-23-2003 02:26 PM |
[QUOTE][i]Originally posted by drees [/i]
[B]Theoretically, yeah, but then I wonder why no racing guys have them (that I've seen). Would mean one of two things: 1. It violates the rules. 2. It doesn't work. [/B][/QUOTE]
I concur. I'd bet that number 1. is a big factor though as most racing series have spec wings and/or limits on attachment/height/etc.
[B]Theoretically, yeah, but then I wonder why no racing guys have them (that I've seen). Would mean one of two things: 1. It violates the rules. 2. It doesn't work. [/B][/QUOTE]
I concur. I'd bet that number 1. is a big factor though as most racing series have spec wings and/or limits on attachment/height/etc.
| GarySheehan | 07-06-2003 07:26 PM |
Here's a sneak-peek of the new splitter assembly...
[IMG]http://www.teamsmr.com/images/New_splitter_front.jpg[/IMG]
[IMG]http://www.teamsmr.com/images/New_splitter_side.jpg[/IMG]
We'll see how well it works at California Speedway this coming weekend.
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
[IMG]http://www.teamsmr.com/images/New_splitter_front.jpg[/IMG]
[IMG]http://www.teamsmr.com/images/New_splitter_side.jpg[/IMG]
We'll see how well it works at California Speedway this coming weekend.
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
| mykrrrr | 07-06-2003 08:55 PM |
Geesh Gary...you planning on catching cows with that thing??? :lol:
You guys coming out to Road America this summer??? I'd love to come up and check the car out.
-mykr.
You guys coming out to Road America this summer??? I'd love to come up and check the car out.
-mykr.
| johnfelstead | 07-06-2003 10:07 PM |
Gary, i dont know if your rules allow it, but if they do and you havent already thought of this, where the splitter ends at the front verticle portion, dont end the underside of the splitter there, take it back right under the front of the car and angle it upwards slightly, this will speed up the airflow under the front end and create a lot more downforce. You will need to experiment but its an avenue worth investigating.
Also, make sure you have sealed the areas around the radiator core so no air can spill sideways and around it as this screws up the front aerodynamics. if you have an oil cooler core in front of the rad, seal around the edges of the oil cooler so no air can spill out of the back of it sideways so it has to go through the rad core behind it, this also helps and improves the eficiency of both the oil cooler and radiator. I am probably teaching you how to suck eggs here. :lol:
The standard production car wings are designed to provide no overall downforce, they are designed to provide enough downforce to equal the lift the body shape produces. This is so that the road car doesnt have the problems of the springs being compressed as speed increases, if you fit a high downforce wing, you can get into problems of suspension compresion causing you to go on the bump stops at high speed, even worse you can get this plus the front end rising in relation to the rear screwing up your positive rake handling charicteristics.
Be very careful with what you play with and think through the changes you are making, aero work is tough to get right and needs careful testing to be safe.
Also, dont forget drag increases as the square of speed, so you are looking at dropping aero on high speed circuits significantly to keep you obtaining the max lap speed, there is no point running a wing that takes 300BHP to pull through the air at 100MPH, you will be slow. :D
The car looks fabulous gary, i really like the new front end look. I think i know what that splitter is made of. ;):D If i am right, get some photos/video of the front end at speed and check to see if it is deflecting downwards at the front end, it may be worth going 1mm or 2mm thicker and sacrificing a bit of weight to stifen that up if you are finding its moving/oscilating. It's amazing how much it will deflect if its really working hard.
Another handy tip to see how much suspension effect aero load is having is to put a tye wrap around the shock/strut tube and press it down against the bottom of the shock/strut body. go for a run and then come back in and see how far up the tube the tye wrap has travelled, thats your maximum suspension travel in bump (this is asuming you arent using the bump stops as part of your spring tuning.)
Good luck this coming weekend gary.
Also, make sure you have sealed the areas around the radiator core so no air can spill sideways and around it as this screws up the front aerodynamics. if you have an oil cooler core in front of the rad, seal around the edges of the oil cooler so no air can spill out of the back of it sideways so it has to go through the rad core behind it, this also helps and improves the eficiency of both the oil cooler and radiator. I am probably teaching you how to suck eggs here. :lol:
The standard production car wings are designed to provide no overall downforce, they are designed to provide enough downforce to equal the lift the body shape produces. This is so that the road car doesnt have the problems of the springs being compressed as speed increases, if you fit a high downforce wing, you can get into problems of suspension compresion causing you to go on the bump stops at high speed, even worse you can get this plus the front end rising in relation to the rear screwing up your positive rake handling charicteristics.
Be very careful with what you play with and think through the changes you are making, aero work is tough to get right and needs careful testing to be safe.
Also, dont forget drag increases as the square of speed, so you are looking at dropping aero on high speed circuits significantly to keep you obtaining the max lap speed, there is no point running a wing that takes 300BHP to pull through the air at 100MPH, you will be slow. :D
The car looks fabulous gary, i really like the new front end look. I think i know what that splitter is made of. ;):D If i am right, get some photos/video of the front end at speed and check to see if it is deflecting downwards at the front end, it may be worth going 1mm or 2mm thicker and sacrificing a bit of weight to stifen that up if you are finding its moving/oscilating. It's amazing how much it will deflect if its really working hard.
Another handy tip to see how much suspension effect aero load is having is to put a tye wrap around the shock/strut tube and press it down against the bottom of the shock/strut body. go for a run and then come back in and see how far up the tube the tye wrap has travelled, thats your maximum suspension travel in bump (this is asuming you arent using the bump stops as part of your spring tuning.)
Good luck this coming weekend gary.
| GarySheehan | 07-06-2003 10:32 PM |
Johnfelstead,
All good advice!
The rules allow the splitter to extend back to the center of the front wheels. Instead of building the splitter plank that long, my plan was to build the venturi to the underside of the car, mating up to the trailing edge of the splitter. I wanted to do this in order to get the front of the car on and off easy so we can get the car in and out of the trailer. Also, by attaching the venturi and flat bottom to the chassis it will be significantly stronger than attaching to the front bumper.
I've already plenumed the rad to the chassis. With the new front I need to extend it up to the front fiberglass.
The new rear wing is surprisingly adjustable and looking at it's chord and camber, it should provide decent downforce with less drag compared to our last wing. The proof will be in the feel of the car and the lap times, though.
The splitter plank is made from HDPE. Did you get it right? It's 9.5mm thick. I used 3 layers in order to build up the tunnel which will feed the venturi. Are you thinking that 9.5mm may be too thin for a 4" lever arm? Let me know your thoughts.
I've also got to close up those huge foglight holes and build in the new brake ducts. I was thinking that something simple like thin HDPE again because the shape is complex and I'll need to use something that will conform to the surface when rivited on. Or I could lay up some carbon/glass, but I can't think of how to make a mold of the shape and I think a flat section may be to rigid to conform. Any advice on materials?
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
All good advice!
The rules allow the splitter to extend back to the center of the front wheels. Instead of building the splitter plank that long, my plan was to build the venturi to the underside of the car, mating up to the trailing edge of the splitter. I wanted to do this in order to get the front of the car on and off easy so we can get the car in and out of the trailer. Also, by attaching the venturi and flat bottom to the chassis it will be significantly stronger than attaching to the front bumper.
I've already plenumed the rad to the chassis. With the new front I need to extend it up to the front fiberglass.
The new rear wing is surprisingly adjustable and looking at it's chord and camber, it should provide decent downforce with less drag compared to our last wing. The proof will be in the feel of the car and the lap times, though.
The splitter plank is made from HDPE. Did you get it right? It's 9.5mm thick. I used 3 layers in order to build up the tunnel which will feed the venturi. Are you thinking that 9.5mm may be too thin for a 4" lever arm? Let me know your thoughts.
I've also got to close up those huge foglight holes and build in the new brake ducts. I was thinking that something simple like thin HDPE again because the shape is complex and I'll need to use something that will conform to the surface when rivited on. Or I could lay up some carbon/glass, but I can't think of how to make a mold of the shape and I think a flat section may be to rigid to conform. Any advice on materials?
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
| johnfelstead | 07-07-2003 07:45 PM |
sounds like you have the whole underbody aero package well thought out gary, i agree doing what you plan for the splitter is a good arangement, make it as stiff as you can.
Nope, i was wrong on the material you are using, so your on your own with regards to thickness. ;) Do try and get some video footage of the front at speed, your other splitter was quite diferent and what i have found with this design of splitter (whisch works incredibly well) is the leading edge can go into resonance if its the wrong thickness giving you inconsistant downforce, it literally wabbles up and down screwing up the airflow. If its really out you will have it bend down and touch the floor wearing its front edge away. Aero stuff is fun. :)
With regards to the brake ducting, you can buy preformed duct entries that you could bond into your inlet. what i would say is use as large a duct as you can get away with to feed the centre of the disk, if you run a narrow bore it reduces the efectiveness significantly. Ideally you should aim for 4" ID piping, anything less than 3" starts to slow the airflow down signifanctly. Sounds big i know. :D
This may surprise you but lots of GT teams who use that type of splitter design use marine plywood for the lower horizontal section. Take a close look at a saleen mustang and you will see, its a very efective material in that aplication. We have run this for a long time on the esprit, its cheap and very easy to manufacture when you wipe one out, which happens too often. :lol:
Nope, i was wrong on the material you are using, so your on your own with regards to thickness. ;) Do try and get some video footage of the front at speed, your other splitter was quite diferent and what i have found with this design of splitter (whisch works incredibly well) is the leading edge can go into resonance if its the wrong thickness giving you inconsistant downforce, it literally wabbles up and down screwing up the airflow. If its really out you will have it bend down and touch the floor wearing its front edge away. Aero stuff is fun. :)
With regards to the brake ducting, you can buy preformed duct entries that you could bond into your inlet. what i would say is use as large a duct as you can get away with to feed the centre of the disk, if you run a narrow bore it reduces the efectiveness significantly. Ideally you should aim for 4" ID piping, anything less than 3" starts to slow the airflow down signifanctly. Sounds big i know. :D
This may surprise you but lots of GT teams who use that type of splitter design use marine plywood for the lower horizontal section. Take a close look at a saleen mustang and you will see, its a very efective material in that aplication. We have run this for a long time on the esprit, its cheap and very easy to manufacture when you wipe one out, which happens too often. :lol:
| pio!pio! | 07-07-2003 10:32 PM |
Can't wait to see the canards
can we see the underside venturi's or is that a trade secret?
Does the rules allow front winglets on splitter (dunno the technical term, but vertical fins on the right and left of the splitter)
can u add an undertray on the rear of the car also?
get the WRC style hood and vent the radiator airflow out that?
can we see the underside venturi's or is that a trade secret?
Does the rules allow front winglets on splitter (dunno the technical term, but vertical fins on the right and left of the splitter)
can u add an undertray on the rear of the car also?
get the WRC style hood and vent the radiator airflow out that?
| pio!pio! | 07-07-2003 10:34 PM |
i remmebered a while ago you posted that you were struggling w/ understeer even w/ insane spring rates in the rear...did you ever solve that? did you change all the rubber bushings in the rear suspension?
racecar stuff is so interesting :)
oh yeah..for hyperfest, will you be doing ridealongs? I know the SER cup guys will...wish i could be there
racecar stuff is so interesting :)
oh yeah..for hyperfest, will you be doing ridealongs? I know the SER cup guys will...wish i could be there
| OnTheGas | 07-08-2003 12:36 AM |
Re: functional splittler / adjustable wing question
�
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[QUOTE][i]Originally posted by spidey02wrx [/i]
[B]I've always been "anti-wing" if you can call it that. I have a hard time seeing them as anything but bling for a street-car but my WRX sees very little of the street and I'm starting to think about some aero-mods. Last time on the track the car felt light over 120, and some more stability would be welcome. Does anyone run a splitter/wing combo (adjustable)? Does anyone have any hard data on the various wings out there? I'm looking for something functional so if it takes the gigantor WRC-style wings than so be it, but if I can get away with the s202 style (low wing) that would be nice.[/B][/QUOTE]The only splitter/wing combo that I know of which has been properly wind-tunnel tested is Prodrive's. If you read through [URL=http://forums.nasioc.com/forums/showthread.php?s=&threadid=100790]this old thread[/URL], you will see that Prodrive did just what John Feldstead was discussing in his earlier post... They do not provide downforce, but instead reduce the lift which you have been experiencing. Most importantly, their splitter and wing reduce lift in a balanced manner by a similiar amount at both ends.
Hope that helps!
Ken
[B]I've always been "anti-wing" if you can call it that. I have a hard time seeing them as anything but bling for a street-car but my WRX sees very little of the street and I'm starting to think about some aero-mods. Last time on the track the car felt light over 120, and some more stability would be welcome. Does anyone run a splitter/wing combo (adjustable)? Does anyone have any hard data on the various wings out there? I'm looking for something functional so if it takes the gigantor WRC-style wings than so be it, but if I can get away with the s202 style (low wing) that would be nice.[/B][/QUOTE]The only splitter/wing combo that I know of which has been properly wind-tunnel tested is Prodrive's. If you read through [URL=http://forums.nasioc.com/forums/showthread.php?s=&threadid=100790]this old thread[/URL], you will see that Prodrive did just what John Feldstead was discussing in his earlier post... They do not provide downforce, but instead reduce the lift which you have been experiencing. Most importantly, their splitter and wing reduce lift in a balanced manner by a similiar amount at both ends.
Hope that helps!
Ken
| spidey02wrx | 07-08-2003 07:32 AM |
Gary: that's one mean looking front end. Keep us posted on your testing!
I'm glad this thread didn't die an early death, thanks to everyone who contributed.
Mark
I'm glad this thread didn't die an early death, thanks to everyone who contributed.
Mark
| GarySheehan | 07-08-2003 11:52 AM |
Pio,
Unfortunately, I haven't had time to build the venturi. When it is finished it will be available for all to see.
I have thought about end-plates for the splitter as well. I believe they are legal but will have to check the rulebook.
We can add an undertray at the rear of the car as well, but I don't think they are very effective unless you have smooth air delivery to it from under the car. I really be effective, we would need to flat bottom the entire underside of the car. Something we have considered in detail. The concerns we have is thermal management with respect to venting air from the engine bay as well as heat build up of the exhaust. It would require extensive testing.
Good thought about the WRC hood, but we must run stock (shaped) body panels, with exceptions like bumper covers and such.
The understeer issue has been mostly resolved with changes to the differentials. We are running a Cusco 35/65 rear biasing open diff in the center with Quaiffe torsens in the front and rear. Our spring rates are down to 750 lb/in front and 650 lb/in rear.
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
Unfortunately, I haven't had time to build the venturi. When it is finished it will be available for all to see.
I have thought about end-plates for the splitter as well. I believe they are legal but will have to check the rulebook.
We can add an undertray at the rear of the car as well, but I don't think they are very effective unless you have smooth air delivery to it from under the car. I really be effective, we would need to flat bottom the entire underside of the car. Something we have considered in detail. The concerns we have is thermal management with respect to venting air from the engine bay as well as heat build up of the exhaust. It would require extensive testing.
Good thought about the WRC hood, but we must run stock (shaped) body panels, with exceptions like bumper covers and such.
The understeer issue has been mostly resolved with changes to the differentials. We are running a Cusco 35/65 rear biasing open diff in the center with Quaiffe torsens in the front and rear. Our spring rates are down to 750 lb/in front and 650 lb/in rear.
Gary
Sheehan Motor Racing
[url]www.teamSMR.com[/url]
| zzyzx | 07-08-2003 03:16 PM |
[url]http://www.the16v.com/RA03/split/index.htm[/url]
This is a great up close set of pictures from Speed World Challenge Touring Cars from Road Atlanta (6/29).
There is a pic in there of Irish Mike's splitter on his RS, also.
- Steve Sulatycki
This is a great up close set of pictures from Speed World Challenge Touring Cars from Road Atlanta (6/29).
There is a pic in there of Irish Mike's splitter on his RS, also.
- Steve Sulatycki
| pio!pio! | 07-10-2003 05:16 AM |
[QUOTE][i]Originally posted by GarySheehan [/i]
[B] The concerns we have is thermal management with respect to venting air from the engine bay as well as heat build up of the exhaust. It would require extensive testing.
[/B][/QUOTE]
route the venting air from the engine bay into the cabin and out the driver and passener windows :P might get a tad too toasty then..
punch out some louvres on the front quarter panels "them thar speed holes!"
can you make a shorty side exit exhaust?
[B] The concerns we have is thermal management with respect to venting air from the engine bay as well as heat build up of the exhaust. It would require extensive testing.
[/B][/QUOTE]
route the venting air from the engine bay into the cabin and out the driver and passener windows :P might get a tad too toasty then..
punch out some louvres on the front quarter panels "them thar speed holes!"
can you make a shorty side exit exhaust?
| AlpineFD | 12-30-2003 06:54 PM |
was there any gains using the cwest front bumper? I can't believe you guys put on a $1000 fiberglass front bumper :D
I'm curious regarding the venturi front lips, is the purpose to ram air into a smaller area, thus increasing air speed, lower air pressure? But if you are only running the venturi tunnel as far as the front axle, how effective will it be? It seems like it would require a entire car flat bottom, and a tunnel that runs all the way to the back of the car to gain anything.
I'm curious regarding the venturi front lips, is the purpose to ram air into a smaller area, thus increasing air speed, lower air pressure? But if you are only running the venturi tunnel as far as the front axle, how effective will it be? It seems like it would require a entire car flat bottom, and a tunnel that runs all the way to the back of the car to gain anything.
| lo-buck | 01-03-2004 11:07 PM |
spidey- i know you arent gonna be doing alot of hpde this season, but if you wanna play with splitters, id be interested in making one up for you as well as some under tray work. i have some other active aero ideas.
-tbg
-tbg
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