> Subject: Re: NHIS Vintage race report
> To: krobinson@primavera.com
> Let me say this up front. I'm not a vintage racer (though I do
> autocross an old TR4). Okay, now I'll start the fire... Isn't
> a "controlled 4 wheel drift" the way it was done back in the
> halcyon days when those old racers were the "hot new
> racers"? Having said that (I'll probably get creamed by the
> cognoscenti) I think the key word here is "controlled". I don't
> think that driving a vintage racer the way it was driven is "bad",
> so long as you aren't driving beyond your abilities and creating a
> hazard to the "other guy".
>
Still true today:
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Grip | * (Spin)
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0 10
Slip angle (deg)
For radials or real race tires, 10 deg might be 5 deg.
But that's why we co around corners sideways!
And although we may look spectacular, I doubt we ever exceed 0.75g, as
oposed to a hot sedan today at 0.85 and a sports car at 1.0. At NHIS, i do
1:33s but the record for EP cars (my 1600 spider is still calssified by SCCA
as EP) is undre 1:20 on a 1.6 mi course!
Jim Hayes 1-800-537-8254, 1-617-241-7810, Fax: 1-617-241-8616
Alfa NUT: '58 and '62 Alfa Spider vintage racecars
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