instable F1-02

[cologne]

The F1-02 ist very instable on straight at higher speeds, about 200 Km/h and more. So i couldn´t finish a round on the new nuerburgring track


This Problem appeared with all vdrift version after the "2007-03-23 Mac OS X release".

iMac PPC 2GHz

[joevenzon]

Unstable in what way?

[cologne]

Unstable in what way?

Sideways ;-)

It tries to break out to left or right.

I can make a trial without downforce...

One-third downforce is nervous, but it doesn´t break out.

May be a problem with suspension/spring-system.
Not a problem to solve now, but keep an eye on this in refactor!

[joevenzon]

The discrete integrator used for physics in the refactor is better suited to high spring force situations like the F1-02 than the old code, so hopefully it will react better. I tried the F1-02 on the old neurburgring and it *seemed* to be ok, but I don't have a really good feeling about how to drive the F1-02 and so I don't know if it's really correct. I guess we'll see once the refactor is ready for release. :-)

[cologne]

The discrete integrator used for physics in the refactor is better suited to high spring force situations like the F1-02 than the old code, so hopefully it will react better.

Tried again with my new actual iMac (2GHz versus 2x 2.8GHz) the problem appears but is much better controlable.

I tried the F1-02 on the old neurburgring and it *seemed* to be ok, but I don't have a really good feeling about how to drive the F1-02...

Drive faster! The high Downforce stabilizes the car beginning end of third gear.