Right turn steering lead on crown roads

[frick14]

I am fimilar with rack and pinion steeing, but not the fine points of suspension components.
A perfectly balanced and symmetrical steering gear wants to drift to right turn on a crowned road.
What in other suspension components could I look into to prevent this?

Thanks,

 

[TomDOT]

If it's for short term, what about asymmetrical tire inflation for a simple, cheap answer?

 

[MiketheEngineer]

Not all roads are crowned and some go left. No easy solution. That's what your arms and hands are for. This is assuming the car is setup correctly.

 

[patprimmer]

I agree with Mike. If you set the car up asymmetrically to correct for irregularities in the road surface, those irregularities are "dar dar irregular". instead of predictable pull toward the low side, it will sometimes pull to the high side if the high side is less than the correction you built in.

If you must, a slight change in castor will pull to one side. I forget which way you do it.

Regards
Pat
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[Tmoose]

Would you happen to be related to Bill Frick of Studillac fame?

 

[GregLocock]

As Pat says, cross castor is/was used on new vehicles to compensate for the average crown in the market. Nowadays your EPAS system learns what the average crown is and kindly takes that awful effort from you.

You could use cross camber, I suppose.

Incidentally your vehicle will almost certainly have come with tires that generate a sidepull in their own right (conicity and plysteer).


Cheers

Greg Locock


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