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Old Dec 28, 2007 | 12:54 PM
  #21  
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I know....go to the Salt Flats and go as fast as you can backawrds and see for yourself. This way you will not have to worry about hitting something or someone.
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Old Dec 28, 2007 | 01:19 PM
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Legal OPEN road Racing?

Silverstate Classic in NV, Big Bend in TXs and there is one in Kansas or Nebraska IIRC. Maybe one more in Tx too. Are the only LEGAL OPEN road races that I know of ( could be more) but these events also have tech rules and driver skill requirement too.

If you have to ask "what would Happen?" you dont need to be there. You could die or worse, be a quad for the rest of your life.

I have several totaled corvette pics from speeds under 100 mph. Not good at all.

Most ppl chit bricks when I give them rides at over 125 mph, let alone over 150 mph. (Heck ATNB - Forum Mod - who has been drag racing for years, received a new perspective and respect for speeds above 125 for more then a few secs.

If you want to legally try high speeds do an High Performance Drivers Event. Here is the NASA Rocky Mt division http://www.nasarockymountain.com/

They will have there 2008 schedule up soon.

Here is the track list http://www.nasarockymountain.com/sub.php?p=tracks
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Old Dec 28, 2007 | 01:55 PM
  #23  
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Originally Posted by AU N EGL
Legal OPEN road Racing?

Silverstate Classic in NV, Big Bend in TXs and there is one in Kansas or Nebraska IIRC. Maybe one more in Tx too. Are the only LEGAL OPEN road races that I know of ( could be more) but these events also have tech rules and driver skill requirement too.

If you have to ask "what would Happen?" you dont need to be there. You could die or worse, be a quad for the rest of your life.

I have several totaled corvette pics from speeds under 100 mph. Not good at all.

Most ppl chit bricks when I give them rides at over 125 mph, let alone over 150 mph. (Heck ATNB - Forum Mod - who has been drag racing for years, received a new perspective and respect for speeds above 125 for more then a few secs.

If you want to legally try high speeds do an High Performance Drivers Event. Here is the NASA Rocky Mt division http://www.nasarockymountain.com/

They will have there 2008 schedule up soon.

Here is the track list http://www.nasarockymountain.com/sub.php?p=tracks
Damm...I would sure love for you to take me for a ride that fast! In your vette, Im sure mine will never see that!
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Old Dec 28, 2007 | 02:01 PM
  #24  
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Legal OPEN road Racing?

Silverstate Classic in NV, Big Bend in TXs and there is one in Kansas or Nebraska IIRC. Maybe one more in Tx too. Are the only LEGAL OPEN road races that I know of ( could be more) but these events also have tech rules and driver skill requirement too.

If you have to ask "what would Happen?" you dont need to be there. You could die or worse, be a quad for the rest of your life.
I'm not asking "what would happen?"... I specifically asked if anyone knew at what speed a C5 would lift off if it got turned around - I think that there is a probable window of speed that it would happen, but I guess I just wasn't very clear in my original post.

I thought it would be an interesting discussion and I'm kind of surprised that apparently there's not much information on the subject because no one has actually attempted to answer the specific question... There's been some confirmation that it would likely happen and some good points made that it would be bad, but not even a guess as to "what speed" it would happen. Like with anything that I do, I like to do research and I'm curious by nature, so while I KNOW that it would be bad, what I'm really looking for is... well, I've already said it and I'll leave it at that.

So, thanks to all... this has been an education (not in the way I expected) and I'll try to be very specific the next time I post.

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Old Dec 28, 2007 | 02:02 PM
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If you want to legally try high speeds do an High Performance Drivers Event. Here is the NASA Rocky Mt division http://www.nasarockymountain.com/

They will have there 2008 schedule up soon.

Here is the track list http://www.nasarockymountain.com/sub.php?p=tracks
BTW, thanks for the additional info... I do plan to go to Pueblo when the season opens and I'm actually much more interested in that type of racing anyway.
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Old Dec 28, 2007 | 02:05 PM
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List me as a beneficiary in your will, and I will give you some answers to your question.
Unfortunately, my x has that position for the foreseeable future... but if you really have the answer...

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Old Dec 28, 2007 | 02:08 PM
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You will have so much fun doing the NASA HPDEs and eventfully W2W that anything else with your cloths on just wont cut it anymore
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Old Dec 28, 2007 | 02:12 PM
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You will have so much fun doing the NASA HPDEs and eventfully W2W that anything else with your cloths on just wont cut it anymore
I'm sure! I've been telling people that autocross is the most fun I've ever had alone...
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Old Dec 28, 2007 | 02:12 PM
  #29  
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Originally Posted by 04 commemorative
Damm...I would sure love for you to take me for a ride that fast! In your vette, Im sure mine will never see that!
Well Thank you sir.

Have a ride now . . .

Not my car, but I think you will enjoy Giddy Up Full Screen and volume on FULL


Last edited by AU N EGL; Dec 28, 2007 at 02:16 PM.
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Old Dec 28, 2007 | 02:26 PM
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Originally Posted by RickHDN
I'm not asking "what would happen?"... I specifically asked if anyone knew at what speed a C5 would lift off if it got turned around - I think that there is a probable window of speed that it would happen, but I guess I just wasn't very clear in my original post.

There is a lot of data on this subject, just not on the General section, Over under the Autocross and Road Race section.
Many of us have soo much aero info it is mind boggling. Fortunitly there are several aerodynamic engineers on Corvette Forum to help us put it in perspective

Your cars alignment and rake are most important. With out each at the proper setting even 80 mph the car feels 'floating' as if it will take off.

Remember a race car is an upside down airplane wing. Then again Being too perfectily designed is not a good thing either. ie the Mercedes that Flipped at Le Mans and Road Atlanta.

Ohhh Chiiittttt . . . .

Nott what you want to happen at 180+ mph . .
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Old Dec 28, 2007 | 02:33 PM
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Race Car aerodynamics http://aerodyn.org/Annexes/Racing/hlifts.html

http://www.nas.nasa.gov/About/Education/Racecar/

Books http://www.bentleypublishers.com/product.htm?code=gaer

and specifically the corvette

http://www.sae.org/servlets/productD...D=2002-01-3333
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Old Dec 28, 2007 | 02:43 PM
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Originally Posted by RickHDN
I'm not asking "what would happen?"... I specifically asked if anyone knew at what speed a C5 would lift off if it got turned around
Based on having been able to recover ok a few times at 125-135ish........lift off..........170+ feels on the edge with a soft suspension and small hoosiers on all 4 corners, but ok by me
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Old Dec 28, 2007 | 05:39 PM
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Ohhh Chiiittttt . . . .
DAMN! It looks like the car in front took the air off his front end. Looked like a race boat going over the way it just lifted off...

Thanks for these links... I'll check'em out.

Based on having been able to recover ok a few times at 125-135ish........lift off..........170+ feels on the edge with a soft suspension and small hoosiers on all 4 corners, but ok by me
170+, huh? I'd like to feel that someday... Coming up will be my first full season of AX and hopefully driving school. I'll hold back on the high speeds for a while.
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Old Dec 28, 2007 | 06:06 PM
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AU N EGL

Just realized that both links you posted at 12:26 pm are of the same crash... I found the Mercedes one on the same page called: Flying Mercedes CLK GTR at LeMans

He wasn't near any other car - something definitely wrong there!
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Old Dec 28, 2007 | 06:21 PM
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Originally Posted by RickHDN
AU N EGL


He wasn't near any other car - something definitely wrong there!
One was Road Atlanta the last was on Le Mans.

The MB went over a slight rise on the track and air got underneath and OVER it went

The car was TOO aerodynamicly designed.
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Old Dec 29, 2007 | 02:25 AM
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I have spun my C4 Open Road race car at 140ish and no lift noted. This was before I had a wing on it.

I have also Blown a tire at 204mph. My parachute kept me from spinning. In the pic all the damage you see is from the tire EXPLODING. I never hit anything.

http://www.boomspeed.com/jeffyvette/Blowout.jpg

It amazes me that even now people think there is only one group the Nevada open road races-Silver State Car Challange. But there is another group that puts the races on they are called MKM racing. Their online site:

www.openroadracing.com

This the better of the 2 groups in my opinion, I race with both. They make it easier to get quailified. It is run by racers for the love of the sport, where as SSCC is just doing the races for the money, so are not responsive to the racers like MKM is.
With all that said I am unable to answer at what speed a backward going C5 will go airbourn.
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Old Dec 29, 2007 | 06:33 AM
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I know I do not want to find out about going airborne at all. I noticed that when I ran the Texas mile to a mere 180 mph that at about 160ish that it seemed that my Vette seemed to hug just fine and at 180 mph the same and I was wiping the smile off my face as I went through the mile marker. I know at those speeds I would be more than likely toast if I went airborne and to think I did this in street rubber and had no tracking issues My car is slammed on the ground with Koni FSD and Z Sways so I did not notice any lift at all
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Old Dec 29, 2007 | 07:46 AM
  #38  
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Originally Posted by Benpup
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Having raced a few times at 150+ I would say that once you get out of line, you have just become a passenger.

Just like guys who ride motocycles say.
"I had to lay it down."

That's They lost it plain and simple.

Lose a Vette at speed and your hemrroids will be "sucking seat."
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Old Dec 29, 2007 | 07:53 AM
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I wonder if too many ppl see these high speed crashes on X-Box or PS3 or GT2 computer video games and just think it is cool.

There is a difference in crashes between a computer video game and in real life ( I skimmed off a wall at Road Atlanta going backwards at 80-100 mph) So I do speak from experience.

In real life there is NO RESET BUTTON.
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Old Dec 29, 2007 | 10:04 AM
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I have spun my C4 Open Road race car at 140ish and no lift noted. This was before I had a wing on it.
That's good to hear... I suppose that it would be unusual to get backwards and "stay" that way and like another guy said, you would probably be dumping speed really fast.

I've seen the openroadracing.com site, but didn't make the connection that it was actually another group doing the same races. What kind of speeds to average "street Vette" owners hit at these races? Might like to go out and observe or work the course this summer to see what it's like.
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