Does anyone know the spring rate for 911 style torsion bars?

[chrisp]

Of course rate changes with diameter but it's also a function of length.

Does anyone know what spring rate a 26mm rear torsion bar for a 911 has?

A 27mm?
A 28mm?
etc.

I am trying to do some supsension calculations. Thanks.

[Bill Verburg]

Look here;
http://instant-g.com/911CoilConv.html

[Joe911]

Just reading about this. This link is also great!

http://www.pelicanparts.com/techarticles/911_torsion_bars/911_torsion_bars.htm