Stillen Roof Wing

simota1 · 05-07-2010, 06:48 PM

Quote:

Originally Posted by RCZ

I doubt it gives much downforce... its more than likely a spoiler rather than a wing. In which case, it is breaking up the airflow so air doesnt stick to your rear window and cause drag.

badass explanation

G Fo12ce · 05-07-2010, 07:35 PM

Quote:

Originally Posted by RCZ

I doubt it gives much downforce... its more than likely a spoiler rather than a wing. In which case, it is breaking up the airflow so air doesnt stick to your rear window and cause drag.

Would work even better if it were a vortex generator ala the WRC ones that made their way into the aftermarket scene.

Not to nit pick but the vortex generator on the EVO MR was not aftermarket. It came on MR models factory. Black on the 8 and painted on the 9. I had a 9 MR. I get what you are saying though, I've seen some unfortunate examples on random cars that don't look good or functional. On the EVO they were to ensure air hit the rear wing.

OP, I like it. It's subtle.

fairladyZ34 · 05-07-2010, 11:25 PM

its more aesthetics id believe than anything else, but ill let everyone know how the butt dyno responds

dad · 05-07-2010, 11:46 PM

Quote:

Originally Posted by fairladyZ34

And here are the pics, i took just placed the wing on the window and held it with two little peices of tape.

and the money shot

Tell me you didn't use duct tape

Quote:

Originally Posted by ZKindaGuy

It's position looks like it relocates the air flow deflection force more toward the CG point of the car which in essence would decrease any downward force on the wheels.

One could argue that the downward force would now be to the immediate front of the rear wheels instead of behind the rear wheels at the rear deck lid wing. But because any deflaction force with this wing is now moved more than half the distance toward the CG point of the car it would lessen the amount of downward force being generated over the wheels.

So someone please explain what is it's advantage as the physics resulting from its location seems to suggest a possible disadvantage.

The aerodynamics just went out the window!

Spec Jay · 05-08-2010, 12:35 AM

Quote:

Originally Posted by ZKindaGuy

It's position looks like it relocates the air flow deflection force more toward the CG point of the car which in essence would decrease any downward force on the wheels.

One could argue that the downward force would now be to the immediate front of the rear wheels instead of behind the rear wheels at the rear deck lid wing. But because any deflaction force with this wing is now moved more than half the distance toward the CG point of the car it would lessen the amount of downward force being generated over the wheels.

So someone please explain what is it's advantage as the physics resulting from its location seems to suggest a possible disadvantage.

one could also argue that the downforce generated is now more evenly distributetd at the 4 corners.

fairladyZ34 · 05-08-2010, 12:02 PM

Quote:

Originally Posted by dad

Tell me you didn't use duct tape

nope, gorrila tape ftw! jk

ZKindaGuy · 05-08-2010, 05:06 PM

Quote:

Originally Posted by Spec Jay

one could also argue that the downforce generated is now more evenly distributetd at the 4 corners.

What down force??? The closer the down-force is occuring to the C.G. point the force becomes less effective since the force is being exerted near the fulcrum point of the car (C.G.).

At the position the little wing is located at the top of the window that is so near the C.G. point of the 370Z that the force is reduced to practically zero at that wing.

So what force????

kenchan · 05-08-2010, 06:08 PM

They should make one that goes on the hood. Will keep the bugs off the glass at excessive speeds.

Spec Jay · 05-08-2010, 07:13 PM

Quote:

Originally Posted by Spec Jay

one could also argue that the downforce generated is now more evenly distributetd at the 4 corners.

Quote:

Originally Posted by ZKindaGuy

What down force??? The closer the down-force is occuring to the C.G. point the force becomes less effective since the force is being exerted near the fulcrum point of the car (C.G.).

At the position the little wing is located at the top of the window that is so near the C.G. point of the 370Z that the force is reduced to practically zero at that wing.

So what force????

lol dont get too worked up buddy. the wing is mostly for looks im sure thats what you wanted to hear anyway.

Joka4411 · 05-09-2010, 12:36 AM

Haww dont really know about this wing thing looks kind of overkill

Joka4411 · 05-09-2010, 12:37 AM

tint window

zero · 05-09-2010, 01:08 AM

Quote:

Originally Posted by ZKindaGuy

What down force??? The closer the down-force is occuring to the C.G. point the force becomes less effective since the force is being exerted near the fulcrum point of the car (C.G.).

At the position the little wing is located at the top of the window that is so near the C.G. point of the 370Z that the force is reduced to practically zero at that wing.

So what force????

Yep. Actually it looks like it will reduce the down force.

NewYorkJon34 · 05-09-2010, 01:39 AM

I already have the stillen roof wing installed & painted, just curious was that the first one they sent you?

fairladyZ34 · 05-09-2010, 12:49 PM

Quote:

Originally Posted by NewYorkJon34

I already have the stillen roof wing installed & painted, just curious was that the first one they sent you?

yeah its the first one, why did they have to send you a new one or something?

fairladyZ34 · 05-09-2010, 12:53 PM

Quote:

Originally Posted by Joka4411

tint window

its getting tinted tomrow

05-07-2010, 11:25 PM	#18 (permalink)
fairladyZ34 A True Z Fanatic Join Date: Aug 2009 Location: Central NJ Posts: 1,577 Drives: 08 G37S Black M6 Rep Power: 19	its more aesthetics id believe than anything else, but ill let everyone know how the butt dyno responds __________________ From Z to G to BMW and back to a G! Nismo for life

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05-09-2010, 01:39 AM	#28 (permalink)
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