Rigidy

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What does this do? Does it make the car feel more solid through a turn or does it help make it turn easier with less effort? The game doesn't really define what this characteristic does in the game, or in previous releases, it just keeps saying you should get to know the car you are driving before adding the chassis re-inforcement or adjustment, please help
 
In real life it stiffens the car and makes it quicker to respond when changing direction as well as keeps it more stable in the corners.

In GT5, it's supposed to do that, but I don't always feel it.
 
In real life it stiffens the car and makes it quicker to respond when changing direction as well as keeps it more stable in the corners.

In GT5, it's supposed to do that, but I don't always feel it.

This. I thought there was a downside to having it, like understeer when installed on certain cars?
 
This. I thought there was a downside to having it, like understeer when installed on certain cars?

The stiffer chassis does seem to cause the inside front wheel to lift up a bit, which can cause understeer. A little suspension tuning usually compensates for it though.
 
Yes that is supposed to be its function in RL and somewhat in the game.

What I don't get is why is it needed on purpose built race cars like the Le Mans Group C/LMP/GTS etc cars. They should already have this built in as it is on every race car. Even the RM's should have this part installed imho. Oh well. Ive never really felt the difference from having it or not.
 
What I don't get is why is it needed on purpose built race cars like the Le Mans Group C/LMP/GTS etc cars. They should already have this built in as it is on every race car.

There might be rules for maximum stiffness/bracing. Also, older race cars would probably benefit from newer chassis technology/design.

I thought there was a downside to having it, like understeer when installed on certain cars?

The stiffening doesn't really have a downside besides maybe weight (and that does not happen in game). The understeer would be a result of the suspension being set for a less stiff car.

Basically Stiff car with "perfect" suspension > Soft car with "perfect" suspension.
 
Well, what did you expect ? Did you see all the bumps on the track ?
Some cars literally flew off the track. (Yes I'm pointing my finger at you Mercedes, you don't design a race car in only 3 months.)
 
Yes it does give the mindset that it would add understeer, but would you stiffen the susp. Even more? Say you've driven the car 3'500 miles, would it make it feel as if it was brand new from the factory with the miles "reset" back to zero? Or would it just replace what was worn out and keep the model of the car the same? This and the brake bias i keep havin problems with figuring out
 
The rigidity upgrade, us supposed to make the car feel more solid. Just picture a convertible and that missing strength where the roof should be. That would have had a rigidity upgrade to stop it buckling.

In the game, its there to keep the chassis in true.
 
I haven't done this in GT5, outside of race mods (where there is an "agility bonus" from weight reduction, too), but in GT4 it did make quite a marked difference on its own. The first car I applied it to was the 400R, and you're right, you need to tweak the suspension to make the most of it. If you're not wanting to run the car with really stiff suspension, it does tend to "ruin" it.

Anyway, in theory, it's supposed to reduce chassis flex, which basically limits your practical / useful range of spring rates (why go stiffer than the chassis? No benefit, and potentially big welding bills). The effects are mostly on transients, e.g. corner entry / turn in etc. where the chassis flexes most before "winding up" to a higher stiffness. Another benefit is that chassis flex no longer affects suspension geometry as much, at least in the real world.

A common rigidity upgrade for cars with MacPherson struts is the strut (tower) bar / brace, which ties the towers together and reduces their flex relative to the chassis - making the suspension do more of the work in the process.

It's strange how marked yet subtle the effect is in-game, in terms of driving feel the car does feel much sharper; it shows that despite all the flaws, PD are doing some things right!
 
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