How to stop Logitech Driving Force GT oscillation problem

  • Thread starter Dinø
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After my first post, I decided to do a test. Driving a fully modded ZR-1 RM at Indy, at over 215 mph, I was able to take both hands off the wheel while staying in a stright line with no wheelshake. Now I'm not talking about finishing the turn and throwing my hands in the air. You have to stabalize the car first, and uneven road surfaces will upset it again. Depending on how long it takes to get stable, you can drive the legnth of the strightaway with no hands. This was done while cutting 41 sec lap times. When I bought my wheel, I ran one race, and thought wtf? I then went to wheel settings, and changed "amature" to "simulation". Yes I know it's not supposed to be for the DFGT, but I thought it helped. I also run my ffb at 8.
 
thedoodabides
so where's the answer to the question? you never tell HOW to stop the oscillation, you just complain about it.
i have this same wheel and love it...haven't had a problem with it. maybe you just need to spend some time practicing with it and tweak your settings. the worst oscillation i experience is down the backstretch in daytona. i've never driven one in real life, but i imagine if you let go of the wheel of a real nascar the same thing would happen.
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Maybe he had to put an ? after the topictitle, so you would understand he is asking on how to do it, instead of providing us with an answer.
 
you can see from the video that the car is out of balance when you let go
my wheel will do that too, but if the car is in balance it wont

its a bit like expecting a penny to stay upright if its already tipping

the reason the ossolation is so violent is due to speed and downforce of the faster cars, the wheel is sending back the power of the downforce and vehicle sway at a faster speed this is going to be a faster ossolation due to the g's produced

one way to stop it is to drive a slower car and moan at all the idiots flying past in thier fast cars
 
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It does the same when holding the wheel firmly, when unplugging the wheel, there's no more ForceFeedback. Changing the ForceFeedback to 1 doesn't make a difference. It's much less of an issue with other cars other than the X1, I guess I need to try some different settings with the car.
 
yes if i hold the wheel loosely or don't fight the forcefeed back ie the car swaying then yes it does it when driving,
having bought gt you must be a race fan so i take it you have seen cars get tank slappers in races? well thats what you are getting
just remember that all of the forces are being sent to the steering wheel to simulate the driving experiance, not all of them would naturally come direct through the wheel, some you feel through the motion of the car in general

as the wheel is the only peice of equipment that is capable of feedback in your set up, its doing the best job it can

if logitch or anyone else makes a whole cockpit for gaming then the realisum can be much closer to the real thing and distribute the forces to other areas,

it took me about a week to get used to the wheel, the kicks and feed back did feel wrong and i couldn't under stand it, but as i drov it and set it up (i should go back and check that now) and i realised what i was feeling (leave it!!!) it became second nature
 
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What he said, it'll take a while to get used to a wheel. My wheel will also do that, as shown on the video, it's not an issue in the slightest, you get used to it, you know when it's going to behave and how it will behave. You can relax quite easily on the straights.
 
I've not been graced with a flexible budget that allows me to obtain a wheel in the near future. However, I've still been researching and studying a good portion of the more popular wheels used in this game.

That leads to me these questions:
1) I would expect a shake in the wheel, but do all cars with high-speed capabilities and strong downforce have such a violent nature when FFB is processed?
2) Someone mentioned that since there are no vibration motors, the way these wheel compensate this is by adding it into the FFB mechanism. Is there a wheel that can distinguish between the two? Such as the FFB controlling the natural tendency of the tires to realign themselves straightforward, while vibrational motors control the bumps in the road relative to the stiffness/softness of the suspension?
3) or are these examples just the most extreme circumstances which can be remedied with proper settings, so that someone like myself with no previous wheel experience can still consider buying a Logitech/DFGT wheel?
 
Have you changed your wheel settings from "arcade" to "simulation" yet?
 
I have the DFGT too and never had those problems, I just hold it firm. Even on the straights, no problems, if you just hold on. If I let go though the wheel will start to jerk but is easily fix by holding it.

If its really a faulty wheel then return it, if not then you just have to get used to it more. I'm not saying its a great wheel, but its a great inexpensive wheel.
 
Wolf-M
Have you changed your wheel settings from "arcade" to "simulation" yet?
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Yes, I changed it from amateur to professional and to simulation, and it made no difference, the only thing that made a difference on all settings available was changing the downforce on the X2010 to 50/50.
 
Wolf-M
Have you changed your wheel settings from "arcade" to "simulation" yet?
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Those settings have no effect on the DFGT. They are for the older wheels. Just take a look at what wheels "light up" when changing that setting--the DFGT and T500RS are greyed out.
 
shadster
Those settings have no effect on the DFGT. They are for the older wheels. Just take a look at what wheels "light up" when changing that setting--the DFGT and T500RS are greyed out.
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I'm not too sure about that - I use the DFGT and did notice that there was a difference between the 2 options.

Before I changed the wheel would automatically countersteer for me whenever I spin out. After the change of settings it no longer does.
 
Right so I now have a DFGT and I have now run a Vettle X1 AND an X1 Carbon around Indy and I can see the problem you are having, yes the wheel does rock back and forth on the straights, it is great during the corners, but in the straights it constantly goes left and right, and it is hard to hold onto.

However, If I take a very firm grip on it (still talking about the wheel no dodgy comments please! :P) then I can keep the wheel steady, I think there may be a very small deadzone because once you get it in exactly the right place, it seems to ease up a bit. Thats all the help I can offer though. (There is nothing faulty about the wheel though)
 
This didn't bother me too much until today. Tried EVO X in the rain, and this is unbearable, unless I disable AYC, which kinda defeats the purpose of trying an EVO.
Sad.
 
caladina
you can see from the video that the car is out of balance when you let go
my wheel will do that too, but if the car is in balance it wont

its a bit like expecting a penny to stay upright if its already tipping

the reason the ossolation is so violent is due to speed and downforce of the faster cars, the wheel is sending back the power of the downforce and vehicle sway at a faster speed this is going to be a faster ossolation due to the g's produced
Click to expand...

No, that's not the reason at all. Do you even have a clue? A Mitsubishi Evo doesn't produce any downforce.

The REAL reason is due to latency between where the game thinks the wheel is, and where it really is. If the wheel is at +1º, the game tells it pull back to the left. Even as the wheel passes 12 O'clock, and is now at -1º, the game hasn't received that information immediately, and is still telling the wheel to pull left even though it is left of center.

The latency issue is compounded by the lack of any dampening or friction in the software model. When the road is pulling the car's tires back to center, some of that force is lost in the tires and linkage to the steering wheel. This friction produces a natural dampening effect. In a frictionless world, a real car would oscillate back and forth. The reason that the DFGT oscillation becomes bigger and bigger with each sweep is due to the latency issue mentioned above.

The developers of GT5 have not account for latency and have failed to simulate dampening. Clearly the fantec developers are of a higher caliber, or just know not to trust game-makers. Adding a dead-zone adjustment compensates for the latency (which is unavoidable), and it sounds like the fantec wheel also has software in the wheel itself to simulate dampening. Simulating dampening in the wheel itself probably makes more sense as there would be little latency there.
 
The same thing happens to me with my DFGT. To me it feels like bumpy road feedback so I don't really mind it. If you think the DFGT has strong force feedback, try the driving force pro. I had my driving force pro set to 2 and it was so powerful, it actually sprained my pinky twice because it reacted violently when I hit something or spun out. It was almost impossible to hang on and I grew to like it. I have the DFGT now and find it to have a smoother, more controllable feel. One thing I found strange is that even on it's highest setting the feedback is only about 20 percent of the feedback I had with the driving force pro when it was set very low. This is a bit of a letdown but I read somewhere that it was toned down on purpose to make the wheel feel a little more real. Maybe I'm just used to the "fight feedback" of the driving force pro. lol.
 
Dinø;4583058
Do *not* waste your money on a Logitech wheel to play with GT5 until they fix this!

We got a new FF wheel for Xmas and the experience has been complete garbage with GT5. When you try to drive in a straight line, the slightest movement off-center causes the force feedback to jerk the wheel excessively in the opposite direction, which then causes the wheel to get jerked back in the other direction.

If you simply let go of the wheel and gas pedal, the wheel will start to oscillate back and forth more and more until your car fishtails and slides to a stop. This is completely absurd. Real cars don't behave this way.

I tried one of the arcade mode tracks where its raining with the Evolution X last night. At high speeds, no matter how tightly I tried to hold the wheel in the center, it would still oscillate. There is enough "slop" internally that even though the wheel you grip isn't moving, the shaft and gears inside are still twitching back and forth.

Why does GT5 suck? In previous GT titles, I thought you could tune things like the dead-zone in the middle, which would probably help alleviate this problem. Is there some hidden settings screen I haven't found yet? The wheel came with a disc, but I think those are just drivers for Windows.

I had a much older Logitech wheel for my PC that was cable driven. That wheel was great when playing NFS Porsche for windows, back in the day. It's too bad it was PC-only. I finally tossed it in the garbage a few months ago.

Another problem with the Force GT is the single, cheap electric motor. Often when turning the wheel slowly, you can feel "notchiness" in the feedback due to either the gears, or the fact that the motor has only 3 poles (meaning the torque it can produce varies a lot depending on the armature's orientation)
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Sure you bought the DFGT?

ok countersteering is a bit a problem... but wich wheel you would buy? G27? bit overpriced
 
My Driving Force Pro is always set to the max force feedback. :) Love the fight. For the feisty cars, I just reduce downforce a bit & things get a bit tamer.
 
Youre not used to it.
Reduce aero and it will be easier. Try to hold the wheel at the exact middle and it will fix. Do a REALLY slight turns, tiny S on the track, from side to side, and it will fix. Buy a G27 and this will be much beter.
 
The Op's intention when letting go of the wheel was to make a point, traveling 70mph down a straight on Tarmac in hot conditions as I did with my DFGT and the car jerks like it's possessed by the devil, gripping the wheel tight and countering can control the problem but if u want to set a decent lap time no chance, the wheel also does not turn the car enough in tight corners, meaning u have to turn the wheel twice to get round, then turn it back to straighten up, timing this is correctly is absurdly difficult

Settings: FFB: NONE
Simulation

The wheel is rubbish as it is
 
DoomtrainUK
The Op's intention when letting go of the wheel was to make a point, traveling 70mph down a straight on Tarmac in hot conditions as I did with my DFGT and the car jerks like it's possessed by the devil, gripping the wheel tight and countering can control the problem but if u want to set a decent lap time no chance, the wheel also does not turn the car enough in tight corners, meaning u have to turn the wheel twice to get round, then turn it back to straighten up, timing this is correctly is absurdly difficult

Settings: FFB: NONE
sinulation

The wheel is rubbish as it is
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As so many other people have said.. lower downforce.

Let's take the straights at La Sarthe as an example.
In a fully tuned 458 Italia I can let go of the wheel after I have stabilized the car.
In an FGT I'll end up in a wall after a second.

I'd attribute that difference mainly to downforce.
 
Doom: Why would you buy a 900 degree steering wheel if you don't like having to turn a lot in tight corners? This doesn't make the wheel bad, just realistic. If you want the wheel to snap back to center better, just turn off the "assisted" steering in the controller options and it will fight to be centered.
 
Mine moves around if you let go......soooo.....(wait for it).........dont let go!
You will get used to it after a few days, biceps :)
 
The Evos are effectively undriveable, or at least no fun at all, with a wheel once you buy the AYC, it just seems to be something wrong with that part. Best bit is that the only way to take it off is to sell the whole damn car.

I suppose I did learn this with my Driving Force. Maybe I should take my useless rusting Evo X(or XI, whatever) out with my Fanatec and see if it's any different.
 
Had a similar issue with my DFGT and the F1...but yeah if you let it go it'll wobble out of control...so I have a solution for that...my 5 year old nephew suggested it...ready...

Don't let go of the wheel...he's a smart kid!!
 

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