Let me give some explanations here about (auto-)calibration,
MomoTweak.exe, and off center problem in a game.
(Auto-)calibration:
On PC there is no such thing as auto-calibration for Logitech wheels
(unlike Playstation2). This means you should not have to turn your
wheel all the way to the left and all the way to the right every time
you plug it in.
Instead you have to do wheel calibration one time through the control
panel for each USB port that you plug the wheel in. Once the
calibration has been done the values are saved in the registry for
each USB port and then re-used each time you plug in the same wheel in
the same USB port.
MomoTweak.exe
This little program is intended to be run one time for each USB port
where your wheel gets plugged in, after you calibrated your wheel
through the control panel. The new centering values will also be saved
in the registry and be re-used every time when the same wheel gets
plugged into the same USB port. So there is no need to run MomoTweak
every time you reboot.
Off center problem in a game
This problem can appear for more than one reason. In case of the MOMO
Force wheel there is a known centering problem which can be fixed on
PC's by running MomoTweak.exe
(http://www.wingmanteam.com/files/patches/momo_tweak/MOMOTweak.exe).
If after calibrating your wheel it centers straight under windows when
plugging it in, then it means the wheel is fine.
If the wheel doesn't center in a game, then it means it is not
supposed to be centered because the game decided so.
Some games like GPL do not have any centering concept at all. Instead
they reproduce (more or less acurately) the behavior of a real
steering wheel by tying the wheel's force to the game's physics
engine. If for example the road you are on is slightly banked than
even when driving straight the wheel will slightly push to one side.
If you think that the wheel's calibration goes crazy while playing the
game, then exit the game and check if the calibration is still
correct. If it is not, there may be a bug on the wheel side. If it is,
then maybe that's just what the game intended to do, or maybe there is
a bug on the game side.
Remember that during gameplay the game has full control on what the
wheel does. The way to check if your wheel works correctly is to test
it through the control panel and no game is running.
Hope this clears things up a bit :)
> I had read a review at
> http://www.8ballshardware.com/articles/logitechmomo/page1.cfm today and the
> reviewer seemed to have the same problem after a few laps in the gtr2002
> mod, seems like a bug in the software since the wingman team gave him some
> beta utility to straighten it out.
> Art
> > I got my MOMO Force Wheel about a month or so ago, and haven't been able
> > to put too many hours on it yet. The default wheel position of 10-15
> > degrees to the left is a well-known quirk of this wheel, which I've
> > addressed thru the use of MOMOTweak.exe. However, I find that on
> > particularly curvy tracks, such as the Nurburgring in GPL (where the
> > wheel gets a good workout) the wheel deflects to either it's original
> > position of 10-15 degrees to the left, or sometimes even goes to a few
> > degrees to the right, depending upon the predominate general direction
> > of the curves in the section just raced through. For example, if I just
> > went through an extended section of the track which called for mostly
> > sharp turns to the right, on the following straight, the wheel is tilted
> > a bit to the right. It's as if a steering cable is slipping under heavy
> > load, then eventually slips the other way under an opposite load.
> > Is this something that's normal with this wheel? Is it something that
> > needs to "work itself out" after the wheel is broken in a bit more? I'm
> > not real handy, so I wouldn't look forward to opening up the wheel to
> > adjust something....
> > Any help/thoughts would be appreciated.
> > Bert
