تماشای ویدئو Steel Shaft Vs Carbon Fiber Shaft از آی-ویدئو

Steel are worldwide material. It used in many engineering application because its strength. How if we compare the "worldwide material" with fiber carbon in strength, especially in torsional stress ? Which one is the winner ?? The video footage belongs to BBC and I don't have any copyright for that. Thanks for watching !! ------------------------mechanicalengboy.wordpress.com------------------------
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