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Old 05-24-2016, 04:33 PM   #1181
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Someone asked me to post a pic of the splitter on Creampuff from the bottom, so here it is -
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Old 05-24-2016, 09:42 PM   #1182
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Question for running flat underbody.
Would it not be possible to create a vent in thepanel to let heat out? Similar idea to bonnet vent using high and low pressure. Would the body side of the panel have low enough pressure to be sucked out by air flowing underneath the panel?
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Old 05-24-2016, 10:37 PM   #1183
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the airflow underneath the panel is what has low pressure, and would suck the heat out. You have it backwards.
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Old 05-25-2016, 02:35 AM   #1184
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Yes, yes I do. Re read it.
But would that work well enough to reduce heat around gbox etc without disrupting anything else?
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Old 05-25-2016, 01:16 PM   #1185
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It would help. However, venting air to the underside of the car isn't my top choice. You wouldn't put vents in the lower half of a wing's endplate because you want low pressure under the wing, don't want to move pressure from the high side to there. But, if you've got to do it for heat management, don't want to use dedicated coolers, and can't move enough air down the tunnel and out the back to keep operating temps of the trans and diff in the green, then vent away.
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Old 05-25-2016, 06:19 PM   #1186
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Thanks for the answer.
I had been wondering if it would be useful or not.
That clears it up.
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Old 06-15-2016, 02:17 PM   #1187
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Edit: Uh, wrong thread.

Last edited by doward; 06-15-2016 at 03:05 PM.
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Old 06-15-2016, 09:29 PM   #1188
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Here is a link to a home-built, all carbon fiber (other than the pillar with vin) Sierra Cosworth 500 that was at the Dragon last weekend. Flat floor from splitter to diffuser. Gene, the gentlemen who built it, a retired network engineer, started with a Merkur, ordered a body kit from the UK, modified it to suit his tastes, and then made molds from it. The car was very well put together and had a race weight of 2000 lbs. Also in there is Andrews SPU Miata that had a fantastic time for its first outing at the Dragon. He's regularly an autocrosser and did a hell of a job.

https://www.flickr.com/photos/141028...7669618661646/



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Old 06-16-2016, 12:36 AM   #1189
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Thats a pretty wicked looking Cosworth. I have never seen a alternator ran off the driveshaft before. Google tells me they make kits to do it, never would have guessed.
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Old 06-16-2016, 09:14 AM   #1190
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It's fairly common with the roundy round guys, with the downside being that unless you're up to speed, it's not charging.
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Old 06-16-2016, 11:32 AM   #1191
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The **** that's hiding in Kentucky...

That's amazing. There's another dude in that area of KY that built a really badass full carbon SN95 mustang track car a while back. Wonder if it's the same guy.
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Old 06-16-2016, 12:09 PM   #1192
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I got the impression this was the only one, but not sure. He works with a local high school every year on some sort of eco-modder type competition, helps them with all the composite/design work, and I guess they've won about 10 years in a row now. His wife was racing too, a fairly simply prepared SN95 Mustang, but she was no joke for a first timer at the hill.
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Old 06-16-2016, 01:08 PM   #1193
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Have I just been living under a rock? Is there a closed-course competition held at the tail of the dragon?
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Old 06-16-2016, 02:29 PM   #1194
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Chasing the Dragon hillclimb is a CCR-SCCA event held once or twice a year. It's on Santeelah Road in the Joyce Kilmer National Forest, and is not part of the Dragon itself, but runs right next to it. It is a wicked road though, with decreasing radius turns, esses, long straights, and the area is just gorgeous. Check out dragonhillclimb.com and ccrscca.com. There is also a Facebook group for it. If you do a Google Maps search for "Chasing the Dragon Hillclimb Start Line", it will pull up. It won SCCA event of the year previously, and is unlike anything you will ever drive at speed.
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Old 06-17-2016, 09:18 PM   #1195
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New wing for Morpheus (the new Blackbird Fabworx race car), it's an APR Performance GT-1000 swan neck mount, and we're building a DTM style DRS into the mounts -



Not the smallest wing I've ever had, I'm 5'8" -
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Old 06-17-2016, 10:21 PM   #1196
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I'm picturing the mounts for that coming off the back of the hardtop and grabbing it from above like that koenigsegg wing.
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Old 06-18-2016, 06:21 AM   #1197
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Quote:
Originally Posted by Blackbird View Post
New wing for Morpheus (the new Blackbird Fabworx race car), it's an APR Performance GT-1000 swan neck mount, and we're building a DTM style DRS into the mounts -



Not the smallest wing I've ever had, I'm 5'8" -

I'm looking at the same wing, but not in a swan neck. Did you get it in the full 71" width or was it shortened? Keep us posted on the progress and how it feels on the track. What are you doing upfront to offset the wing. Not bad for a $2000+ wing

Last edited by 1993ka24det; 06-18-2016 at 10:26 AM.
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Old 06-18-2016, 11:33 AM   #1198
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Full 71".

Quote:
Originally Posted by Der_Idiot View Post
I'm picturing the mounts for that coming off the back of the hardtop and grabbing it from above like that koenigsegg wing.
They are going to be coming from the inside of the trunk, in a similar fashion to the way they are done on DTM cars.

Last edited by Blackbird; 06-18-2016 at 01:50 PM.
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Old 06-19-2016, 02:05 PM   #1199
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Quote:
Originally Posted by Supe View Post
Chasing the Dragon hillclimb is a CCR-SCCA event held once or twice a year. It's on Santeelah Road in the Joyce Kilmer National Forest, and is not part of the Dragon itself, but runs right next to it. It is a wicked road though, with decreasing radius turns, esses, long straights, and the area is just gorgeous. Check out dragonhillclimb.com and ccrscca.com. There is also a Facebook group for it. If you do a Google Maps search for "Chasing the Dragon Hillclimb Start Line", it will pull up. It won SCCA event of the year previously, and is unlike anything you will ever drive at speed.
Funny, I put that website (dragonhillclimb.com) together years ago. Not sure if Ted's still involved with it, but I'll have to make it up there someday.
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Old 06-21-2016, 06:59 PM   #1200
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This is an interesting video showing the comparison between my Miata with a dodgy wing and large rear spoiler vs rear spoiler only.
Take note of the steering wheel angle.
I am going on Sunday with a wing I built myself, and the rear spoiler has been replaced with a large camm tail. Top speed with the wing and spoiler wasn't good.

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