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ACS Splitter and Rocker

7K views 17 replies 11 participants last post by  duneless 
#1 ·
Just found these...

ACS Splitter for Cadillac ATS


If ever a car were designed to be stylistically augmented by one of our stunning, fully prepped and primed Splitters then it is the Cadillac-ATS. Not only will it add an extra visual dimension to the car’s sleek build, but it will add aerodynamics and guile at high speed to a vehicle that already handles like a dream.

With the option of an extraordinary black satin finish, this ACS Splitter is must have addition to any ATS.

The ACS Cadillac Splitter carries the following features as standard:

Improved frontal airflow management
Fuel optimizing air-restricting mechanism achieved via central opening
Manufactured in an OEM-validated RTM composite material
Complete undercarriage pan for protection and rigidity
Use of OEM mounting points for simple assembly
Will not lower the front ride height of the car


ACS Side Rockers for Cadillac-ATS


Where style, performance and fun align in perfect synergy.

The Cadillac brand has always represented luxury and with the ATS Cadillac have realised that luxury should not come at the expense of performance. Here at ACS we agree and adding our aerodynamic and stylish Side Rockers is a fine start!

Fully prepped and primed our ACS Side Rockers are smoothly moulded using an RTM composite process that banishes rough edges on either side.

The installation process takes only 30 minutes per side, using the mechanical fastener kit supplied and avoiding the use of messy adhesives or even double-sided tape.


The Cadillac-ATS Side Rockers carry the following features as standard:

Manufactured in an OEM-validated RTM composite material
Enhances your car’s aerodynamics at high speeds
Will not lower the ride height of the vehicle
Smooth finish to both sides that looks and feels good, and facilitates easy cleaning
Mounted to the original OEM rocker panel
Installation kit including (Passenger/ Driver Side Rocker Panels, 18 Scrivets, 16 U-nuts & Bolts, Easy Instructions).
Compatible with several other splitters on the market
Optional satin black paint finish


Source: http://www.acscomposite.com/2014/02/acs-composite-ats-splitter-rocker/
 
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#5 ·
Just found these...

ACS Splitter for Cadillac ATS
These are for aesthetics only... do people seriously believe these things improve aerodynamics? Beauty is in the eye of the beholder so if people think they look cool I'm fine with it... but functional these aren't.

I wouldn't care if they said they were aesthic items - I just HATE when companies start spewing babble and make claims that are ridiculous or don't even make sense.
Improved frontal airflow management
Vague term. No quantification. No data, CFD, images even showing VFD. What one marketing guy calls "airflow management" another would call "strapping a brick to the hood".
And at the stock ride height of the ATS, a front splitter won't do jack aerodynamically - its WAY too high up to come into play.
Fuel optimizing air-restricting mechanism achieved via central opening
"Fuel optimizing" has nothing to do with aerodynamics.
"Fuel optimizing air-restricting" makes no sense in general.
"Fuel optimizing air-restricting mechanism"... soooo... a hole? Wow. A hole. Also could they define "optimizing" and what they're doing to that hole that's so important to the fuel?
Manufactured in an OEM-validated RTM composite material
RTM is a process. So they used a moldable resign with their resin molding. Uh, great? Which OEM? What industry? What tolerances? Is the resin rated for vehicle outerbody applications and can resist UV degridation, cold/hot temperatures without warping or cracking?
Complete undercarriage pan for protection and rigidity
That implies this thing protects the undercarriage in any way - and it says "complete" - so this protects the undercarraige from front bumper to rear bumper? It doesn't. It's plastic, so it doesn't protect anything. And its plastic - so it isn't rigid. If it WAS rigid (like fiberglass) that would be bad - you never tack on a fiberglass splitter onto a flexible bumper, because one of them is going to deform and the other will crack.
Will not lower the front ride height of the car
But it will negatively impact the approach of the front of the car and ground clearance.

The installation process takes only 30 minutes per side, using the mechanical fastener kit supplied and avoiding the use of messy adhesives or even double-sided tape.
Instead of using "messy" adhesives or tape... just put like 30 holes in the bottom of your car that provide intrusion points for water which leads to rust - and rust on the rocker panels is BAD in a unibody chassis.
Enhances your car’s aerodynamics at high speeds
Not at factory ride height it won't.
Smooth finish to both sides that looks and feels good, and facilitates easy cleaning
Wow, a third way to say "the finish it comes out of the mold". They're really milking that.
Compatible with several other splitters on the market
"This side skirt doesn't interfere with a front splitter. Just an FYI." Uh.... I hope that's true.


Like them for aesthics, but their marketing guys must be so full of it that their eyes are brown.
 
#10 ·
These are for aesthetics only... do people seriously believe these things improve aerodynamics?.........Vague term. No quantification. No data, CFD, images even showing VFD. What one marketing guy calls "airflow management" another would call "strapping a brick to the hood".
And at the stock ride height of the ATS, a front splitter won't do jack aerodynamically - its WAY too high up to come into play..........Not at factory ride height it won't.
don't be so quick to judge, we don't have the answers from them true but a company lacking wind tunnels and powerful computing to do CFD does not mean these claims are not valid

all a splitter does is exert an influence on the stagnation point and using the stagnation pressure (what we feel as aero drag) to change the pressure differential from above and below the car, this can happen at any height, its true you can increase the effectiveness of the splitter by lowering it but this is using the low pressure venturi effect under the nose of the car to increase the effectiveness of the splitter

proving the effectiveness of this splitter could be done in a low tech way by doing A/B track comparisons and A/B fuel economy runs, to use motor racing to cite an example, for the past several years Scuderia Ferrari F1 has had to do just this when they discovered what the wind tunnel was telling them did no correlate to what was happening on the car hampering their car development during the season and they scrapped and rebuilt their wind tunnel because of this.

and calling the height into question implies that car is too high for effective under car aero, i disagree totally if that is in fact what you mean....anything passing through anything fluid in this case air can be likened to a wing....a brick flying through the air doesn't work very well a spinning golf ball works better because of its dimples a birds or airplanes wing works better still they actually generate lift.....a cars goal is not to fly so in essence it needs to be an upside down wing and generate low pressure underneath and high pressure above (as opposed to low above/high beneath for a plane)....ride height does influence this because the ground is in essence another wall in a virtual aero chamber or duct and can be used to manipulate air but the implication that ATS is too high calls into question all of cadillacs under car aero work which can be seen here from the nose pan to the under engine belly pan to the under cabin belly pans to the fairing on the suspension links to the tail pan/diffuser Cadillac put a lot of engineering into a mostly unseen part of the car, and i guarantee you they would not if the ride height would have killed it.....and a slight change in the nose that lowers the pressure slightly going under the car will improve the effectiveness of these devices nose to tail.
 
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