"Richard Casady" wrote in message
...
On Thu, 4 Dec 2008 12:07:32 -0500, "Eisboch" wrote:

Use steel in the places you need strength.

You mean that's why airplanes use so very little of it?
Funny, I thought planes needed to be sturdy.

Casady


Airplanes are safe because they are flexible and allowed to move within
their yield. The sturdiness is
a result of monocock frame design.

Eisboch