Re: [T3] T3 Structure (sort of long and geeky)

[Jim Adney <jadney@vwtype3.org>]

On 15 Apr 2003 at 9:26, Jaranson, John (J.W.) wrote:

> > A good analogy is to look at biology - endoskeleton vs. exoskeleton.

> Can't argue with the analogy.  It is a good one.

Yeah, very good analogy. Wish I'd thought of it.

> Even by modern standards, the T3 is quite stiff, especially in
> torsion. The Type 3 has a torsion stiffness of a bit over 15,000
> ft-lbs/deg and a bending stiffness of between 20,000 and 30,000 lbs/in.
> The best modern production cars have torsional stiffness of between
> 16,000 and 18,000 ft-lbs/deg.  10,000 ft-lbs/deg is more typical. 
> Bending stiffnesses of modern cars can be higher with a range of values
> between 20,000 and 80,000 lbs/in. 

I assume you're talking about torsion stiffness about a fore and aft axis, but 
which bending plane is this? Is there only one that is important?

-- 
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Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
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