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Re: GT40 spinner

To: Nafzger <nafzger@vtc.net>
Subject: Re: GT40 spinner
From: Ed Van Scoy <ed@vetteracing.com>
Date: Fri, 13 Sep 2002 21:28:41 -0700
Howard;
Just out of curiosity, were you running at Manzanita back then?
Spent a bit of time there then.....
Ed 


---- Original message ----
>Date: Fri, 13 Sep 2002 19:38:39 -0700
>From: "Nafzger" <nafzger@vtc.net>  
>Subject: Re: GT40 spinner  
>To: "Albaugh, Neil" <albaugh_neil@ti.com>, "'Glen Barrett'"
<speedtimer@charter.net>, "Dan  Warner"
<dwarner@electrorent.com>, "land speed"
<land-speed@autox.team.net>
>
>Neil,
>Way back in the 60's when I was crew chief on a super
modified on a 1/2 mile
>dirt, if the track was still sloppy for qualifying and the
trophy Dash, we
>would put on a set of Firestone 900 x 15 mud and snow tires.
We won some
>trophy dashes that way but I don't think we ever tried them
on a tacky or
>dry track. I guess we just never thought about it or were
afraid to throw a
>race away to find out.
>Howard Nafzger
>
>----- Original Message -----
>From: "Albaugh, Neil" <albaugh_neil@ti.com>
>To: "'Glen Barrett'" <speedtimer@charter.net>; "Dan Warner"
><dwarner@electrorent.com>; "land speed"
<land-speed@autox.team.net>
>Sent: Friday, September 13, 2002 3:23 PM
>Subject: RE: GT40 spinner
>
>
>> Glen;
>>
>> You've brought up a good point-- perhaps it is a loose salt
(dust) layer
>on
>> top of the hard salt that is the problem instead of water.
If this is the
>> case, the higher unit loading (pounds per square inch of
tire contact area
>> on the surface) of a narrow tire could possibly get a
better "grip" on the
>> solid underlying layer of salt than a wider one one that
only skated
>across
>> the loose surface.
>>
>> You may have something there. I recall that in the early
days of the
>Pikes'
>> Peak hillclimb, cars using narrower tires seemed to get a
better grip in
>the
>> loose gravel surface. I guess they simply dug themselves a
groove in the
>> gravel rather than slide sideways across the top. Maybe
something similar
>is
>> happening on the salt?
>>
>> If something won't work, it won't work. I would like to
understand why,
>> though. As the old saying goes "If theory and observation
do not agree,
>> double check your observations-- and if they are correct,
come up with a
>new
>> theory."
>>
>> Are there any dirt- track guys out there who would care to
comment?
>>
>> Regards, Neil     Tucson, AZ

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