Re: [Land-speed] Car Spins

["John Burk" <joyseydevil@comcast.net>]

Skip

My understanding is before power steering was standard suspension engineers 
used a few inches of positive scrub to reduce steering effort for parking 
and now they let other things dictate scrub . The big 3 no doubt have tons 
of data on front end design testing like trading caster for trail . There is 
something called induced trail which I think is the rearward shift of the 
contact patch on low pressure tires . What's good for them isn't 
necessisarily good for us . I was up fighting NYC traffic picking up a 
Segway I bought on Ebay to make getting around at Speedweek easier . Going 
to add a seat of some kind .



> At 02:37 PM 6/12/2009, John Burk wrote:
>>Caster doesn't change rear tire loading if scrub is zero .
>
>
>
>
> John,
>
> What is a typical factory scrub dimension for a 2WD steering system? And a 
> car racing at lakes and Bonneville? Different for long and short WB? Where 
> can the data be found?
>
> Skip
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