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John J. & Shad L.,
Where can I sign up for more classes? :-) I *like* this stuff, keep it up!
Toby Erkson -- air_cooled_nut@pobox.com
'72 VW Squareback, '95 VW Jetta, '81 Gold Wing
http://www.icbm.org/
Portland, Oregon
----- Original Message -----
> A good analogy is to look at biology - endoskeleton vs. exoskeleton.
> Endoskeleton is like human beings - our main structure (bones) is seperate
> from our outer covering (skin). Exoskeleton is like insects - their main
> structure IS their outer covering. It would be incorrect to say that our
> skin is _entirely_ unstressed, but it's really the bones that do the huge
> majority of the job.
>
> When you think of a stressed-skin vehicle (car, airplane, etc.), think
> exoskeleton. Just like in nature, they can be simpler and lighter, but are
> fairly limited as far as design goes. When you think of an unstressed skin,
> think endoskeleton. Again just like nature, they are more complicated and
> heavier, but allow much greater flexibility in design.
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