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Old 05-19-2018, 07:47 AM   #1
RicStyx
 
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Vortex Generator

I noticed a while ago the newer yaris has a small vortex generator on the inside of the wingmirror base to reduce wind rush. And then i thought about how much noise there was between the wing mirrors when driving at speed.

So I decided I'd make my own and see if they work. I 3D printed them and painted them. Used a good double sided tape to stick them down. Unbelievably they actually work. There is a very noticeable decrease in wind rush. Has anyone else done something similar and also noticed a difference. Granted these are a bit big for the car but they do the job.

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Old 05-19-2018, 08:46 AM   #2
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Originally Posted by RicStyx View Post
Has anyone else done something similar and also noticed a difference.
I'd have to say you are the first. At least the first to have talked about doing something. Not been too much mention of people 3D printing car parts either. Good for you.



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Old 05-19-2018, 12:03 PM   #3
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but do they decrease the wind noise.
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Old 05-19-2018, 05:27 PM   #4
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but do they decrease the wind noise.
Cant hear the wind over my exhaust....


cant hear anything over my exhaust..
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Old 05-19-2018, 05:42 PM   #5
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Cant hear the wind over my exhaust....


cant hear anything over my exhaust..
Then you need a better exhaust guy
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Old 05-19-2018, 11:24 PM   #6
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Hi, could you put the file up?

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Old 05-20-2018, 01:25 AM   #7
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That's pretty cool.
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Old 05-20-2018, 06:17 AM   #8
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My Mk3 (U.K.), pre facelift, same as the o.p., has a plastic piece factory fitted to the driver's side only and much less obvious. Designed to do the same thing. I'll try to post a picture.
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Old 05-20-2018, 06:54 AM   #9
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Driver's side.
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Old 05-20-2018, 07:00 AM   #10
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Passenger side.
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Old 05-20-2018, 07:08 AM   #11
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Originally Posted by mrpj View Post
My Mk3 (U.K.), pre facelift, same as the o.p., has a plastic piece factory fitted to the driver's side only and much less obvious. Designed to do the same thing. I'll try to post a picture.
My car has that too, but that is more to counter the difference in wing mirror shape if im not mistaken. Newer models have a small vortex generator on the passenger side to counter the wiper blade air being channelled there. I put 2 on each side, one right by the base and further up the trim. I had to place the ome further up as it was a flatter surface to mount it. But if you look from behind the car the two are directly in the range of the wing mirror, and help disturb the air so it can pass around the problem area.

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Old 05-20-2018, 08:56 AM   #12
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Deer Whistle Toyota Yaris

On each side, I placed a deer whistle ahead of the mirror base...stuck to that black trim piece on the fender.

(There are four on the 91 Corolla--two taped into the empty fog-lite holes in the bumper cover, and one stuck at each end of the cowl trim piece ahead of the mirrors.)
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Old 05-20-2018, 04:39 PM   #13
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Then you need a better exhaust guy
sound like an exhaust leak.
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Old 05-21-2018, 02:08 AM   #14
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"the difference in wing mirror shape "?
They are both the same shape in spite of being left and right handed.
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Old 05-21-2018, 09:27 AM   #15
RicStyx
 
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Sorry, difference in position, the passenger is slightly more towards the window than the driver to counter for the difference in distance.

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Old 05-23-2018, 10:39 AM   #16
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for a clever solution. Nice work!
-- Adam
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Old 05-23-2018, 03:08 PM   #17
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Here is Toyota's explanation about adding vortex generators.

https://www.youtube.com/watch?v=4Bmhuq38EYI
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Old 05-23-2018, 06:20 PM   #18
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Here is Toyota's explanation about adding vortex generators.

https://www.youtube.com/watch?v=4Bmhuq38EYI
interesting

i had no idea they help high speed stability

i thought it was only wind noise suppression

thanks for posting
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