Reasonable G-Force Goals?
10-13-2006, 10:25 AM
#1
Drifting
Thread Starter
Reasonable G-Force Goals?
I am modifying my 06 Z06 suspension, and using dedicated track tires/wheels. Completely stock I noticed I recorded 1.19 G at VIR. I heard that 1.7-1.8 was obtainable but do not know if this is wishful thinking. What is a reasonable lateral G-force maximum to shoot for?
10-13-2006, 10:39 AM
#2
Le Mans Master
Without aero mods I don't see how that kind of lateral g would be attainable.
Then you've got to figure out how to keep yourself in position during that kind of load.
HTH, and have a good one,
Mike
Then you've got to figure out how to keep yourself in position during that kind of load.
HTH, and have a good one,
Mike
10-13-2006, 11:01 AM
#3
Melting Slicks
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Originally Posted by kelp
I am modifying my 06 Z06 suspension, and using dedicated track tires/wheels. Completely stock I noticed I recorded 1.19 G at VIR. I heard that 1.7-1.8 was obtainable but do not know if this is wishful thinking. What is a reasonable lateral G-force maximum to shoot for?
I don't see how you can develop 1.7-1.8 Gs at VIR, except maybe transitionally at the Hog Pen.
Frank Gonzalez
10-13-2006, 11:34 AM
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Originally Posted by John Shiels
Frank what did you use? G-tech? I have one but never set it up 
Frank
10-13-2006, 11:34 AM
#6
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Originally Posted by gonzalezfj
The G-Meter that comes in every C6Z. It shows instantaneous Gs on the DIC and has a memory that records peak Gs.
Frank
Frank
10-13-2006, 11:43 AM
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I would think it may be better not to go for any g-force goals but to concintratge on driving, leaning the lines, smoothness. With those speed will come.
Too many Gs and you might be pushing the car too hard, or turning a bit too sharp. Good cornering uses smooth, momentium lines, which is also the by far the fastest line.
Going into the T1 braking zone is where you will feel the most braking Gs, then in the back straight braking zone going in to T12.
Too many Gs and you might be pushing the car too hard, or turning a bit too sharp. Good cornering uses smooth, momentium lines, which is also the by far the fastest line.
Going into the T1 braking zone is where you will feel the most braking Gs, then in the back straight braking zone going in to T12.
10-13-2006, 11:46 AM
#9
Team Owner
Originally Posted by AU N EGL
I would think it may be better not to go for any g-force goals but to concintratge on driving, leaning the lines, smoothness. With those speed will come.
Too many Gs and you might be pushing the car too hard, or turning a bit too sharp. Good cornering uses smooth, momentium lines, which is also the by far the fastest line.
Going into the T1 braking zone is where you will feel the most braking Gs, then in the back straight braking zone going in to T12.
Too many Gs and you might be pushing the car too hard, or turning a bit too sharp. Good cornering uses smooth, momentium lines, which is also the by far the fastest line.
Going into the T1 braking zone is where you will feel the most braking Gs, then in the back straight braking zone going in to T12.
Is he talking lateral G's or braking?
Frank I forgot you had the meter in your cool car
Spoiled brat
10-13-2006, 11:52 AM
#10
Safety Car
Originally Posted by gonzalezfj
I have seen 1.4-1.5 Gs at NASCAR turn 1 at Pocono running my C6Z with Hoosier R6 tires on the stock suspension. The high banking gives a lot more cornering power.
it was on a transition and not sustained, though... (we get the same
built-in G-meter toy)
10-13-2006, 12:10 PM
#11
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Originally Posted by John Shiels
Is he talking lateral G's or braking?
Frank I forgot you had the meter in your cool car Spoiled brat
Frank I forgot you had the meter in your cool car
Spoiled brat John I think we are why too busy looking way down the track, listing to my engine rpms for shift points, to look at my speedo let alone a small part gages that shows Gs.
Only time I look at gages are on long straights to make sure my oil and water temps of good and I have enough fuel.
10-13-2006, 01:09 PM
#12
Le Mans Master
I don't feel the instantaneous values are as pertinent as values
recorded over time.
If it would help the discussion, I can post some traces logged with
my C4 to illustrate my point.
I vote that 1.5+ G is attainable. But if it were my car I would sure
take measures to ensure that oil pressure was going to be maintained.
.
recorded over time.
If it would help the discussion, I can post some traces logged with
my C4 to illustrate my point.
I vote that 1.5+ G is attainable. But if it were my car I would sure
take measures to ensure that oil pressure was going to be maintained.
.
10-13-2006, 01:19 PM
#13
Melting Slicks
T2 at WSIR is a >180 degree, 450 ft. radius right hand sweeper which I take at a sustained 90 mph (Z06 susp. & R2 tires). Mathmatically that works out to approx 1.2 Gs sustained.
lateral (centripetal) accel = velocity (ft/sec) squared divided by turn radius (ft).
1 G accel = 32 ft/sec squared
lateral accel divided by 32 = number of Gs
The car is capable of maintaining a higher speed thru the turn, but I've learned not to try it with the stock seat
lateral (centripetal) accel = velocity (ft/sec) squared divided by turn radius (ft).
1 G accel = 32 ft/sec squared
lateral accel divided by 32 = number of Gs
The car is capable of maintaining a higher speed thru the turn, but I've learned not to try it with the stock seat
10-13-2006, 01:26 PM
#14
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Originally Posted by gonzalezfj
Comments like that will not endear you to the point that you can get to drive the car...
What a wonderful addition to the new Z06....Frank, any interest in One-Lap of America next year with the old Z06? I can be the "transit" driver...
10-13-2006, 01:49 PM
#15
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Originally Posted by TedDBere
What was I thinking... What a wonderful addition to the new Z06....
Frank, any interest in One-Lap of America next year with the old Z06? I can be the "transit" driver...
What a wonderful addition to the new Z06....Frank, any interest in One-Lap of America next year with the old Z06? I can be the "transit" driver...
No, thanks, on the OLA. I talked to Jerry Onks at Topeka and didn't like what I heard about the event. Too much pressure rushing from one track to another. Don't forget, I am an old geezer now...
Frank
10-13-2006, 01:52 PM
#16
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Originally Posted by AU N EGL
He is talking lateral Gs.
John I think we are why too busy looking way down the track, listing to my engine rpms for shift points, to look at my speedo let alone a small part gages that shows Gs.
Only time I look at gages are on long straights to make sure my oil and water temps of good and I have enough fuel.
John I think we are why too busy looking way down the track, listing to my engine rpms for shift points, to look at my speedo let alone a small part gages that shows Gs.
Only time I look at gages are on long straights to make sure my oil and water temps of good and I have enough fuel.
NASCAR 1 at Pocono is steeply banked and goes on forever. Once you get the car settled in the turn you have time to look at the HUD for instantaneous Gs. The memory (peak value) can be read at your leisure after the session ends, before you turn off the car.
Frank
10-13-2006, 01:57 PM
#17
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Originally Posted by John Shiels
Is he talking lateral G's or braking?
Frank I forgot you had the meter in your cool car Spoiled brat
Frank I forgot you had the meter in your cool car
Spoiled brat 
I love you too. 
Frank
10-13-2006, 02:02 PM
#18
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Originally Posted by Slalom4me
I don't feel the instantaneous values are as pertinent as values
recorded over time.
If it would help the discussion, I can post some traces logged with
my C4 to illustrate my point.
I vote that 1.5+ G is attainable. But if it were my car I would sure
take measures to ensure that oil pressure was going to be maintained.
.
recorded over time.
If it would help the discussion, I can post some traces logged with
my C4 to illustrate my point.
I vote that 1.5+ G is attainable. But if it were my car I would sure
take measures to ensure that oil pressure was going to be maintained.
.
In my case (C6Z), GM has had the foresight to ensure oil supply to the engine with the dry sump system.I will be at VIR Oct 21-22 and will remember to look at G values.
Frank Gonzalez
10-13-2006, 02:25 PM
#19
Team Owner
Originally Posted by AU N EGL
He is talking lateral Gs.
John I think we are why too busy looking way down the track, listing to my engine rpms for shift points, to look at my speedo let alone a small part gages that shows Gs.
Only time I look at gages are on long straights to make sure my oil and water temps of good and I have enough fuel.
John I think we are why too busy looking way down the track, listing to my engine rpms for shift points, to look at my speedo let alone a small part gages that shows Gs.
Only time I look at gages are on long straights to make sure my oil and water temps of good and I have enough fuel.
Get a LG sequential shift light and never look at the gauges again for RPM it works great.
10-13-2006, 02:31 PM
#20
Team Owner
Originally Posted by gonzalezfj
Lateral Gs. I'm not sure I deserve the "brat" comment, but the car IS NEAT. I love you too.
Frank
I love you too. Frank
Don't take it in a bad way Frank I meant (brat) as a joke. I'm jealous you have two nice Corvettes and are retiring. I'm sure you worked hard for it all! Then you will have nothing to do except track events!
Slight chance I may see you in VIR but very slight.
Last edited by John Shiels; 10-13-2006 at 02:34 PM.