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Old 06-02-2008, 05:18 PM
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Silverback51 Silverback51 is offline
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Cobra Make, Engine: Superformance # 532, 466 BB, 560HP
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Quote:
Originally Posted by bdeutsch View Post
Rectangular frames versus round frames...

Round frames are by their nature, stronger. Any corners, are inherently weaker than their surrounding material.

Bob

The "I" value for a 3.00 diameter, .125 wall round tube is 1.17 inches to the fourth.

The "I" value for a 3.00 x 3.00, .125 thick wall square tube is 1.98 inches to the fourth.

Sorry for the same size a square tube is stronger.
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