Quote:
Originally Posted by Dimman
It's more the unified shape than the thickness or amount of material that gives it the rigidity.
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Yeah, I can see what you mean. I just think the car would be better without a roof. Look at all the hardcore weekend track cars, the Ariel Atom, KTM X-Bow, or the Caterhams for example, all topless. If a roof was so fundamental to good rigidity, these cars would have them.