autox
[Top] [All Lists]

Re: Toe inches & degrees

To: TeamZ06@aol.com
Subject: Re: Toe inches & degrees
From: Kevin Stevens <Kevin_Stevens@pursued-with.net>
Date: Fri, 30 Nov 2001 22:28:26 -0800
On Friday, November 30, 2001, at 10:11 , TeamZ06@aol.com wrote:

> In a message dated 11/30/01 11:26:25 PM Central Standard Time,
> TeamZ06@aol.com writes:
>
>
>> Toe is the difference between the front and the rear measurements, so 
>> it is
>> based on the diameter and not the radius.  The toe measurement needed 
>> for
>> the
>> equation is per side, not the total toe.  The diameter forms the 
>> hypotenuse
>> and the opposite is the toe measurement per side, or 1/2 of total toe.
>> Assuming you use the same units for toe and diameter the equation is :
>>
>> degrees = arcsine [(1/2 of total toe) / (diameter)]
>>
>
> I'll agree with Kevin that his equation:
>
> degrees = arcsine [(total toe) / (radius)]
>
> yields the same answer as I described above since (1/2 of diameter) =
> (radius) and the relationship between the two measurments is kept
> proportionally the same.
>
> Regardless, the tire diameter and not the radius is used to determine 
> the toe
> measurements, which was the logical bone of contention.
>
> Mark
>

That wasn't my equation.  Mine was:

Diameter * pi * toe in degrees/ 360= toe in inches

and it does indeed provide accurate toe, whether per wheel or total.  
And it's a hell of a lot easier to calculate in your head while sitting 
in the driver's seat on an alignment rack, BTW.

KeS

///          autox@autox.team.net mailing list
///
///  To unsubscribe send a plain text message to majordomo@autox.team.net
///  with nothing in it but
///
///     unsubscribe autox
///
///  or try http://www.team.net/cgi-bin/majorcool
///


<Prev in Thread] Current Thread [Next in Thread>