Re: Estimating camber?

["Jay Mitchell" <jemitchell@compuserve.com>]

I typed:

>6. Calculate camber using the formula: C = atan [(Db-Dt)/Ld],
>where
>C = camber angle
>Db = distance from thread to rim at bottom
>Dt = distance from thread to rim at top
>Ld = linear distance between top and bottom reference points.


Oops. The formula should contain arcsin rather than arctan. The
difference for small values of camber will be negligible,
however. If you have -2 degrees, then the error due to use of
arctan will be .06%.

>Jay "sorry for the confusion" Mitchell