Camber-brace and Roadracing [Forums - Road Racing and Autocrossing]

Road Racing and Autocrossing > Camber-brace and Roadracing	« 1 (2)
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klkordzi	Re: Camber-brace and Roadracing	#51
Guru Newb Pittsburgh, Penna 152 Posts Member since: 2007/5/11 0:00	While looking for information on the AFSB Targa Bar I came across this article. Very interesting read http://www.vetteweb.com/tech/0209vet_ ... rt_bar_install/index.html
	Posted on: 2008/7/16 0:33

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BrianCunningham	Re: Camber-brace and Roadracing	#52
Senior Guru Boston, MA for the most part :) 7763 Posts Member since: 2007/12/30 0:00	It's IMMEDIATELY apparent that having the roof ON in those videos stiffens that car up, you don't have to go 10sec into the videos to see that. But my best times are with it OFF. Measuring chassis stiffness has nothing to do with the type of event your running, the car's not even moving when you do it. But if you want to get into that arguement we can go ahead and start another thread. If you want data on whether having the roof ON or OFF helps or hurts at road race event, then your going to have to find an event that lets you run w/o the roof on. But I really don't think your going to find it. I've tried different camera mounting positions on the car. Take a look at my other videos. I really need a Wide angle lens. If you got data, please be my guest and post it. I figured I'd get the ball rolling.
	Posted on: 2008/7/16 3:39
	_________________ Polo Green 95 LT1 6-spd http://mysite.verizon.net/vzevcp74/ 383 LT1/Vortech Supercharger/AFR heads/Rod end suspension/Penske-Hardbar dual rate coilovers/Wilwood 6pot brakes NCCC Governor: http://BayStateCorvetteClub.com
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CentralCoaster	Re: Camber-brace and Roadracing	#53
Senior Guru San Diego, CA 9454 Posts Member since: 2007/10/28 0:00	Quote: BrianCunningham wrote: ...my best times are with it OFF. Thank you!
	Posted on: 2008/7/16 7:13
	_________________ 1985 Z51, ZF6
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BrianCunningham	Re: Camber-brace and Roadracing	#54
Senior Guru Boston, MA for the most part :) 7763 Posts Member since: 2007/12/30 0:00	your welcome!
	Posted on: 2008/7/16 7:38
	_________________ Polo Green 95 LT1 6-spd http://mysite.verizon.net/vzevcp74/ 383 LT1/Vortech Supercharger/AFR heads/Rod end suspension/Penske-Hardbar dual rate coilovers/Wilwood 6pot brakes NCCC Governor: http://BayStateCorvetteClub.com
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pianoguy	Re: Camber-brace and Roadracing	#55
Guru Emeritus Apple Valley, MN 14762 Posts Member since: 2007/12/29 0:00	Quote: BrianCunningham wrote: It's IMMEDIATELY apparent that having the roof ON in those videos stiffens that car up, you don't have to go 10sec into the videos to see that. But my best times are with it OFF. Measuring chassis stiffness has nothing to do with the type of event your running, the car's not even moving when you do it. But if you want to get into that arguement we can go ahead and start another thread. If you want data on whether having the roof ON or OFF helps or hurts at road race event, then your going to have to find an event that lets you run w/o the roof on. But I really don't think your going to find it. I've tried different camera mounting positions on the car. Take a look at my other videos. I really need a Wide angle lens. If you got data, please be my guest and post it. I figured I'd get the ball rolling. Is this always true, or did running your first sets with the top on influence the outcome? What I mean is, you ran the course a number of times before taking the top off, so could familiarity explain the better times?
	Posted on: 2008/7/16 10:32
	_________________ 1996 LT4 �Before you criticize someone, you should walk a mile in their shoes. That way when you criticize them, you are a mile away from them and you have their shoes.�- Jack Handey
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BrianCunningham	Re: Camber-brace and Roadracing	#56
Senior Guru Boston, MA for the most part :) 7763 Posts Member since: 2007/12/30 0:00	Yes, that's what I'm thinking as well. That and I can see eaiser with the roof off, otherwise my helmet hits the roof when I'm trying to look ahead. I was waiting for someone to ask the all important question: WHY?
	Posted on: 2008/7/16 19:15
	_________________ Polo Green 95 LT1 6-spd http://mysite.verizon.net/vzevcp74/ 383 LT1/Vortech Supercharger/AFR heads/Rod end suspension/Penske-Hardbar dual rate coilovers/Wilwood 6pot brakes NCCC Governor: http://BayStateCorvetteClub.com
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NC Kid	Re: Camber-brace and Roadracing	#57
Elite Guru North Carolina 1671 Posts Member since: 2006/11/27 0:00
	Posted on: 2008/7/16 19:42

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SpectatorRacing	Re: Camber-brace and Roadracing	#58
Elite Guru 1721 Posts Member since: 2007/12/29 0:00	Quote: BrianCunningham wrote: Equals: Lack of patience on your part. You claim to be an engineer, well then you need to be able to go through the data to get an informed decision. It's all fundemental testing that all race teams do, be it autox, road race, rally, or even drag. Sounds like you need to hang out in the pits more often. Come on, Brian, you help a lot of people with good information, don't turn this into a life lesson. I am also interested in the results, and am also an engineer, but 1) I can't watch youtube where I do much of my posting 2) even if I could, I wouldn't want to watch videos when I could simply read your results. I would have preferred a post that said "In my experience I ran faster lap times without it. Check out the chassis flex evident in this video clip." Then it's up to me to spend 10 minutes on a video or not. Quickly getting to the point is also part of being a good engineer. Not reprocessing reams of data that someone else has already processed to get the same result.
	Posted on: 2008/7/17 19:28
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CentralCoaster	Re: Camber-brace and Roadracing	#59
Senior Guru San Diego, CA 9454 Posts Member since: 2007/10/28 0:00	Quote: BrianCunningham wrote: You claim to be an engineer, well then you need to be able to go through the data to get an informed decision. Ok, I got off my lazy ass and went through the data. I stuck a post-it on my screen and marked the total vertical deflection of the corner of dash, since it was easy to see in both vids and would show twisting of the front end. No discernable difference. I did notice it shakes mostly on right hand turns and over bumps, and is very stable on left handers. My conclusion is your camera setup is useless for trying to measure chassis deflection.
	Posted on: 2008/7/17 20:59
	_________________ 1985 Z51, ZF6
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klkordzi	Re: Camber-brace and Roadracing	#60
Guru Newb Pittsburgh, Penna 152 Posts Member since: 2007/5/11 0:00	Anyone interested in reading the article?
	Posted on: 2008/7/18 0:51

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CentralCoaster	Re: Camber-brace and Roadracing	#61
Senior Guru San Diego, CA 9454 Posts Member since: 2007/10/28 0:00	Yeah, I read through that, and it seems to agree with the observations of others. But it's merely anecdotal, and seems very vendor-biased to me. I thought this thread was about the Camberbrace, sorry for dragging it out off topic.
	Posted on: 2008/7/18 1:43
	_________________ 1985 Z51, ZF6
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BrianCunningham	Re: Camber-brace and Roadracing	#62
Senior Guru Boston, MA for the most part :) 7763 Posts Member since: 2007/12/30 0:00	I didn't want to post my conclusions because I actually wanted to see what others thought. Thanks for taking the time to go through it.
	Posted on: 2008/7/18 3:51
	_________________ Polo Green 95 LT1 6-spd http://mysite.verizon.net/vzevcp74/ 383 LT1/Vortech Supercharger/AFR heads/Rod end suspension/Penske-Hardbar dual rate coilovers/Wilwood 6pot brakes NCCC Governor: http://BayStateCorvetteClub.com
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SpectatorRacing	Re: Camber-brace and Roadracing	#63
Elite Guru 1721 Posts Member since: 2007/12/29 0:00	Quote: CentralCoaster wrote: I thought this thread was about the Camberbrace, sorry for dragging it out off topic. The camber brace really made my car feel better in corners...
	Posted on: 2008/7/18 13:58
	_________________ aka Scaryfast
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CentralCoaster	Re: Camber-brace and Roadracing	#64
Senior Guru San Diego, CA 9454 Posts Member since: 2007/10/28 0:00	Cool! It really helped with my bowel movements. They are much more rigid and predictable now when I get on the gas.
	Posted on: 2008/7/18 18:59
	_________________ 1985 Z51, ZF6
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BrianCunningham	Re: Camber-brace and Roadracing	#65
Senior Guru Boston, MA for the most part :) 7763 Posts Member since: 2007/12/30 0:00	Glad I could help. That's the last thing you want to worry about while driving around the track, especially with a tight racing harness.
	Posted on: 2008/7/18 19:09
	_________________ Polo Green 95 LT1 6-spd http://mysite.verizon.net/vzevcp74/ 383 LT1/Vortech Supercharger/AFR heads/Rod end suspension/Penske-Hardbar dual rate coilovers/Wilwood 6pot brakes NCCC Governor: http://BayStateCorvetteClub.com
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Steve40th	Re: Camber-brace and Roadracing	#66
Elite Guru 1114 Posts Member since: 2005/12/20 0:00	Was there any data ever done on this camber brace? I havent read the hole thread. Sorry
	Posted on: 2008/8/1 0:49
	_________________ Ko'u ohana aia ku'a ikaika
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CentralCoaster	Re: Camber-brace and Roadracing	#67
Senior Guru San Diego, CA 9454 Posts Member since: 2007/10/28 0:00	Nope just bitching and moaning.
	Posted on: 2008/8/1 3:51
	_________________ 1985 Z51, ZF6
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Aardwolf	Re: Camber-brace and Roadracing	#68
Senior Guru Fremont, WI 209 Posts Member since: 2008/4/30 15:21	I was looking at a C4 with a camber brace earlier this week at a track event. The owner said he noticed less inside wear on the front tires and thought it was helpful for that. He wouldn't say the brace helped his lap times. My car was getting lots of wear on the front inside edge at my last event. Then in the afternoon without an instructor in the car, the accelerated wear went away. I had my father sit in the car while I had a level on the tire, the bubble moved quite a bit. Could a camber brace make your car less sensitive to weight changes like that?
	Posted on: 2008/8/16 15:54

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BillH	Re: Camber-brace and Roadracing	#69
The Stig Moderator Reno 22702 Posts Member since: 2007/12/25 0:00	Probably not. Cornering forces will be much higher than the force of someone in the seat.
	Posted on: 2008/8/17 14:49
	_________________ Every man dies but not every man lives.
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