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Rear Vents


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#1 robin

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Posted 18 July 2011 - 09:32 PM

been toying with this for a while now but decided if there was enough intrest i would make these to fit on a vx.
what i have in mind is to make two rear vents similar to what the lotus 2-11 has either side on rear as per
red circled bits, this would blend into the remaining rear bumper so only two holes would have to be cut
(similar to fitting the front louvers process)

Posted Image


now the price i would guess price would be about £100 mark so if intrested please put name down or any sugestions remarks welcome

#2 Goosenka

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Posted 18 July 2011 - 09:35 PM

been toying with this for a while now but decided if there was enough intrest i would make these to fit on a vx.
what i have in mind is to make two rear vents similar to what the lotus 2-11 has either side on rear as per
red circled bits, this would blend into the remaining rear bumper so only two holes would have to be cut
(similar to fitting the front louvers process)

Posted Image


now the price i would guess price would be about £100 mark so if intrested please put name down or any sugestions remarks welcome

Can you please stop tempting me Robin ;)

#3 haggi961

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Posted 18 July 2011 - 10:30 PM

Yeah i could be very interested in this but is there any chance with a photo shop version of what it would look like.

#4 chrisgold

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Posted 18 July 2011 - 11:30 PM

Yeah i could be very interested in this but is there any chance with a photo shop version of what it would look like.


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#5 Nev

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Posted 19 July 2011 - 07:12 AM

Just a little word of caution... I know that siphoning off heat from the engine bay is important for performance, but remember why the bumper (particularly the lower part of it) is there. If you cut away at the bottom section you are reducing it's ability to absorb kinetic energy, and this increase your chance of chassis/engine damage in the event of a rearward shunt. I've been shunted twice in the rear twice in the last 3 years (poof ). Once in the VX and once in the Ford Focus. Both were at quite some speed (approx 15 to 25 MPH). In both events, I got away with it with just bodywork damage. If you cut away a lot of the lower rear clam, this may not be the case next time... Just something to bear in mind.

Edited by Nev, 19 July 2011 - 07:12 AM.


#6 robin

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Posted 19 July 2011 - 07:34 AM

I can see your point but being its fiberglass it dosnt really have that much impact resistance hence rear crash box section that holds exhaust but its a valid point

#7 Muncher

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Posted 19 July 2011 - 07:41 AM

Would be interesting to see a mockup of them. I do actually quite like what Joe has done to his rear clam.

#8 Sutol

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Posted 19 July 2011 - 07:41 AM

Where the vents are will they serve any useful purpose on the VX. On that 2-11 the silencer is well vented too which is what i thought cutting holes in your clam was all about.

#9 AstonVauxhall

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Posted 19 July 2011 - 07:52 AM

Rather than impact resistance, it's more to do with energy dissipation.


There will be X amount of energy in a shunt, it has to go somewhere. It's usually absorbed/dissipated by the bumper breaking etc. If there's not much bumper in the way, it's then transferred to something else in the car etc.


Granted, only probably a small factor.

#10 robin

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Posted 19 July 2011 - 07:53 AM

It will vent from engine / exhaust through this went is similar to what joe and co have done just i different way of doing it. I was going to do a whole rear like a 211 on the vx but is a lot of work to do.

#11 StealthVXT

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Posted 19 July 2011 - 08:06 AM

Would be interesting to see a mockup of them. I do actually quite like what Joe has done to his rear clam.


Here is a two second photoshop effort. Not great but you get the idea...

Posted Image

#12 techieboy

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Posted 19 July 2011 - 08:24 AM

but remember why the bumper (particularly the lower part of it) is there. If you cut away at the bottom section you are reducing it's ability to absorb kinetic energy, and this increase your chance of chassis/engine damage in the event of a rearward shunt.

In older "normal" cars, yes. In modern cars, "bumpers" are just a thin plastic cover for a more beefy collapsible bar beneath. Given how GRP tears and cracks, I'm not sure it has any role in crash protection (other than to hide any crash structures underneath the bodywork) on the VX. I thought the exhaust system was meant to be a significant part of the rear crush zone. Which we've probably all fuggered with aftermarket exhausts anyway.

#13 robin

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Posted 19 July 2011 - 08:37 AM

Thanks for photoshop i must learn to do this one day! Givea a good idear of what it woyld look like

#14 Muncher

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Posted 19 July 2011 - 08:39 AM


Would be interesting to see a mockup of them. I do actually quite like what Joe has done to his rear clam.


Here is a two second photoshop effort. Not great but you get the idea...

Posted Image



Can you go quite that high given the boot is there, or have you measured it and that's the cutoff point?

#15 StealthVXT

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Posted 19 July 2011 - 08:47 AM



Would be interesting to see a mockup of them. I do actually quite like what Joe has done to his rear clam.


Here is a two second photoshop effort. Not great but you get the idea...

Posted Image



Can you go quite that high given the boot is there, or have you measured it and that's the cutoff point?


No not measured at all. I dont even have a VX anymore so would struggle.
If you want it lower just shout and I can adjust. Also if you want it a different size etc just ask

Cheers

Iain

#16 StealthVXT

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Posted 19 July 2011 - 08:49 AM

Thanks for photoshop i must learn to do this one day!
Givea a good idear of what it woyld look like


Photoshop is amazing, I couldnt live without it and very easy to learn if you have a passion to want to learn.
Just google photoshop tutorials and work your way through them and before you know it you will be a photoshop god :)

#17 garyk220

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Posted 19 July 2011 - 09:04 AM

The top edge of the mesh above the exhaust is about as high as you can go without having to cut into the boot. IMO it would also look better visually if it ties in with this line and also the straight line projected down from the inside of the rear light cluster.

Edited by garyk220, 19 July 2011 - 09:05 AM.


#18 techieboy

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Posted 19 July 2011 - 09:10 AM

The top edge of the mesh above the exhaust is about as high as you can go without having to cut into the boot. IMO it would also look better visually if it ties in with this line and also the straight line projected down from the inside of the rear light cluster.

Like this beauty (although as you can see, he went too high)? :wacko:

Posted Image

#19 StealthVXT

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Posted 19 July 2011 - 09:27 AM

The top edge of the mesh above the exhaust is about as high as you can go without having to cut into the boot. IMO it would also look better visually if it ties in with this line and also the straight line projected down from the inside of the rear light cluster.


Well I have lowered it and have also changed the shape slightly to match the shape of the car better.

Posted Image

#20 JamieVX220

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Posted 19 July 2011 - 09:31 AM

Looks excellent. I prefer that to the boxier cut outs. Good photo shopping too. J




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