Aluminum Crankshaft

[proppastie]

7075-T6 is 1/3 the weight of steel ....not as strong but 75k vs say 115k of a forged crankshaft....about 65% the strength.....I would think proper sizing of the crankshaft and other parts could lead to a reduction of weight......very easy to machine ....a quick search yielded 4" dia. 7075-T6 round stock......is it just design inertia here or is there other factors.

https://www.google.com/search?q=alu...MTAwODFqMGo3qAIAsAIA&sourceid=chrome&ie=UTF-8

 

[blane.c]

 

[blane.c]

 

[rv6ejguy]

 

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[Dan Thomas]

 

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[proppastie]

 

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[Marc Bourget]

 

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[TFF]

 

[proppastie]

 

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[Mike Zulu]