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RE: Spreadsheet

To: "Michael Burdick" <burdick@abacus.mc.duke.edu>, Triumph List <triumphs@autox.team.net> charset=ISO-8859-1
Subject: RE: Spreadsheet
From: Tony Rhodes <ARhodes@compuserve.com>
Date: Fri, 11 Jun 1999 20:53:01 -0400
Here is the spread sheet.  3U means three notches up, 3D means 3 notches down.
This is based on the data presented many months ago by someone on the list.
I went through his math and tried to make sense of it.  I based my numbers
on his data, but in rationalizing it, I came up with some slightly different
numbers.  These cambers are RELATIVE.  He picked one end as ZERO (I
presume maximum NEGATIVE camber) and worked out from there.  This was not
tested in a car by him, but was based on measurements of the hole locations
in the brackets and then he applied trigonometery to make the calculations.
You can use it as a basis of comparison.

For instance, My car has 2U outer and 1U inner and has maybe 3 degrees
excess negative camber.  2U/1U corresponds to 3.70 degrees, therefore I
want about the brackets that would give 7.70 in the chart.  This would be
2U/3D (7.5) or maybe 3U/1U (8.2)(I think this is the bracket arrangement of 
TR6's).

The row/column of "base" is the number of degrees contributed by each
bracket.  Note they are not symmetrical.  I expected them to be.  I need
to get the bracket measurements and do the math myself.

        INNER   3U      2D      1U      1D      2U      3D
OUTER   base    0.00    0.98    2.20    3.58    4.50    6.00
3U      6.00    6.00    6.98    8.20    9.58    10.50   12.00
2D      5.02    5.02    6.00    7.22    8.60    9.51    11.02
1U      3.80    3.80    4.78    6.00    7.38    8.30    9.80
1D      2.42    2.42    3.40    4.62    6.00    6.92    8.42
2U      1.50    1.50    2.48    3.70    5.08    6.00    7.50
3D      -0.00   -0.00   0.98    2.20    3.58    4.49    6.00

-Tony

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