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What will it take to get my car to pull 1.5+ lateral G's
If thats possible, if it is then make the number 2ish :D
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no 1 g is like freefalling....9.8m/s2
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i would first try to reach the 1.0g:D
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well the car can pull a .92 now right?
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superstickies, massive downforce, wider stance, dropped to the ground, stiff as all hell.
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is that even possible ?
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Originally Posted by chris_stampe
no 1 g is like freefalling....9.8m/s2
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go buy a racing go cart.... it'll pull like 3 and cost alot less then trying to make your car do 1.5 LOL
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rubber cement on the ground.........
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hahaha.....why?.....
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Downforce and high speeds or
Super wide super sticky tires,.. like out way beyond the fenders,.. rubber has the unique property that the less force applied to it the higher its coeficient of friction appears to be,.. |
getting a fc to 1.0g is enough of a task. i doubt 1.5 would even be possible without SOO much modification that you couldnt even call it an FC anymore.
serriously. NO street car pulls more than like 1.1g (thats a VERY rareified set too) not gona happen without slicks and REDICULOUS levels of modification, if at all. why do people just pull these questons out of their ass, like their the first to ever want to pull more than 1.0g, or that THEY discovered the magic secret to make their car faster than an enzo AND on a budget comprised soley of their lunch money....... people, get a grip on reality!!!! |
Shit all i can say is if you wanna pull g's go get on an airplane....or strap a jet engine to your car........Why you wanna screw up a perfectly good rx anyway,...
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Why are you even interested in this acedemic number, especially such a high one? It has little to no relevance in street driving anyway, since you'll most likely never corner on a surface and smooth and flat as a skidpan. High lateral acceleration numbers don't necessarily mean a car handles well.
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In the Eagle F1 tires vid a modified E46 M3 supposedly pulled around 1.4g on a normal road.
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Originally Posted by MaYnard5000
In the Eagle F1 tires vid a modified E46 M3 supposedly pulled around 1.4g on a normal road.
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Among many other things, first you would have to go with a widebody such as the one from Tri-Point like Carl Byck and I have.
I have no tires for my widebody car yet, but Carl has managed to stuff 13" wide Trans Am slicks in the rear and 11.5" up front I believe. This setup with some decent aero at speed, after a lap or so to heat up the tires would get you around that number probably. His car will be track ready pretty soon and I'm as anxious as he is to see how it does around the corners. btw, notice I said track, as imho, you couldn't get a car on the street near that level. |
i remember seeing someone in the Race Car Tech forums that was pulling well over 1g. I don't think it would be that incredibly hard or expensive.
Widebody Wide Rims Racing Slicks Coilovers should get you close at least. edit: found it, DamonB's FD pulled just over 1.3 g's of lateral acceleration on the road course. Keep in mind this is an FD, but the dimensions of the car are close enough to those of the FC that I would think you could get similar or better number without huge modifications. |
FD has a much better suspension setup then the FC.
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Originally Posted by drago86
FD has a much better suspension setup then the FC.
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Originally Posted by DerangedHermit
Stock...
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Originally Posted by MaYnard5000
In the Eagle F1 tires vid a modified E46 M3 supposedly pulled around 1.4g on a normal road.
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An FB with full suspension upgrades from G Force Engineering has pulled 1.3 g's cornering. It had an extremely stiff suspension and was using autocross compound tires. 1.3 is pretty damn good. To go from 1.1 g's to 1.3 g's is harder than going from 1.3 to 1.5. If you go out and buy a Formula 1 car you an hit 3+ g's. I'm going to just say that it can not be done by anyone in an FC.
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more camber, sticky as hell tires, completely stripped lightweight everything car
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E Production FBs are having a new problem. You cant buy the OEM Front rotor/hubs anymore. For the most part (ALL) of the aftermarket hub/rotors are having a problem in the high end peoples cars.
The problem is the Rotor WITH the tire attached is breaking off the hub under hard cornering. What you end up with is a cast hub unit attached to the spindle.. and the disc itself attached to the tire goes bounding down the track as you crash into whatever is in front of you. (Thread listing the problem: http://www.coloradoscca.org/prodcar/...pic.php?t=3291) Pic of the rotor: http://coloradoscca.org/images/20040...otor%20005.jpg NOW... That being said... these cars have 9.5 Inch wide slicks all the way around. They are lighter than stock.. quite a bit.. and have full suspension. Suspention at a minimum would consist of shocks, 2.5" springs, perches, sway bars, camber/caster, lowered a lot... etc. These cars corner as hard as anything without ground effects. I cannot say how hard because I havn't seen and G plots of it. But I do know if you break off your hubs.. you are hanging the turns pretty hard. When my FC is done.. I will be able to find out. |
Originally Posted by rotarygod
To go from 1.1 g's to 1.3 g's is harder than going from 1.3 to 1.5. .
I'm not sure, but I thought it was a function not unlike that of how much hp vs. drag it takes to go faster. I know that is essentially an exponential function and figured the amount of grip, i.e. friction, it takes to keep a car on the road vs. load would be something similiar.
Originally Posted by rotarygod
I'm going to just say that it can not be done by anyone in an FC.
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Get 3 giant stickers and put them across 2 body panels.. that should be close to getting you there.
Seriously.. To pull such a high number I doubt the car would even be streetable and the tires necessary would not be something easily afforded for a daily driver... (wear quickly) |
the tires required to achieve 1.5 g's would definately not last on the street but it is far from impossible to achieve 1.5g's with an FC. Tires are more capable these days than you think.
also, keep in mind that the 1.3 g's was on the track, not a skidpad. I would expect to see even more on a skidpad. |
1.5 g is attainable, certainly, but not cheap and not likely to be a practical street machine.
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23racer posted a datalog from a few weeks ago at Mosport where he was hitting 1.4Gs. I I don't know every detail of how he acheived this so I'd suggest you look into FC race cars (eg. race forum), as it is rare for anyone in the FC forum to have this type of vehicle and you'll end up getting poor response.
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Easiest way? Side thrusters. Car weighs, what? 3000 lbs? So 6000 lbs of side thruster force should get you around 2 Gs. :D
-=Russ=- |
Originally Posted by torean
hahaha.....why?.....
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Originally Posted by NZConvertible
Why are you even interested in this acedemic number, especially such a high one? It has little to no relevance in street driving anyway, since you'll most likely never corner on a surface and smooth and flat as a skidpan. High lateral acceleration numbers don't necessarily mean a car handles well.
I never said anything about it being streetable. |
Originally Posted by MichaelFregoe
Get 3 giant stickers and put them across 2 body panels.. that should be close to getting you there.
Seriously.. To pull such a high number I doubt the car would even be streetable and the tires necessary would not be something easily afforded for a daily driver... (wear quickly) |
several of these in strategic places:
http://cgi.ebay.com/ws/eBayISAPI.dll...489086248&rd=1 |
Originally Posted by Madrx7racer
several of these in strategic places:
http://cgi.ebay.com/ws/eBayISAPI.dll...489086248&rd=1 |
:D
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DUH, it's so easy. Cross the freeway when it's busy with Semis and don't look either way, i hear there is a 76% chance you might hit about 2.5 g's for at least a second!
How could you guys have forgotten that?! sooo soo simple.... Matt:) |
Assuming you've already resolved yourself to the fact that the car will be totally unstreetable, here are a couple rules of thumb:
Lower weight lower CG wider track (not JUST wider tires) stickier tires (Hoosier R25A compound road racing slicks) Good luck |
How about two steel cables, one attached to the front and one to the back, and a really strong pole to attach them to! Just kidding.
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You are going to need some very extensive aerodynamic work to get up there aswell.
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on this, https://www.rx7club.com/attachment.p...chmentid=73534
And then hire Ground Control/Huffaker/ SpeedSource, ETC to help you dial it in. This is the car that Dave (RXHeaven) was talking about. I have no idea what it will be capable of, but it should at least equal a good EP car. Given the much larger tires, it MAY be possible to improve on EP grip, we shall see. Carl |
more important than the coilover or tires. SWAY BARS self explanatory. Cheap too.
Well of course you need the whole package, but thats the most important. I was running my 20b with no front bar. Konis, 500lb" springs and the car still rolled like crazy. THe bar makes the most noticable diffrence. |
Originally Posted by Carl Byck
on this, https://www.rx7club.com/attachment.p...chmentid=73534
And then hire Ground Control/Huffaker/ SpeedSource, ETC to help you dial it in. This is the car that Dave (RXHeaven) was talking about. I have no idea what it will be capable of, but it should at least equal a good EP car. Given the much larger tires, it MAY be possible to improve on EP grip, we shall see. Carl With those tires Carl.. if the weight is down, and as you said.. dialed in properly.. you should be flirting in GT levels of lateral grip. A Team that runs a F500 car I was helping our with recently does 2.5 in the corners via the telemetry data. All the time. Spikes higher. I am certain with a properly setup car.. and enough meat.. you can certainly break 1.5 Shoot now that I re-read this.. watch any of the TOP Gear vids of the Skyline... they do 1+ just yanking on the steering wheel... and those are BOATS... with DOT street tires. |
Originally Posted by marlaman
DUH, it's so easy. Cross the freeway when it's busy with Semis and don't look either way, i hear there is a 76% chance you might hit about 2.5 g's for at least a second!
How could you guys have forgotten that?! sooo soo simple.... Matt:) |
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