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ALUMINIUM FLYWHEEL DISC MATERIAL AND THICKNESS??

ALUMINIUM FLYWHEEL DISC MATERIAL AND THICKNESS??

ALUMINIUM FLYWHEEL DISC MATERIAL AND THICKNESS??

(OP)
Hi all!

I'm in the process of machining an aluminium flywheel to fit on my GM engine(2.3 W41) witch will be superchaged at the end of the winter, i'm actually doing this project during this winter.

I was wondering if anyone here would be able to tell me what would be the ideal thickness of the alloy disc i can install on the aluminium flywheel? and what would be the best material to suit this application? the disc outside dia. is about 9 3/8 inch, inner dia is 5 3/4 inch.

I was thinking about putting a 1/4 inch thick 1045 alloy. I saw on the Fidanza web site that they use 1050 alloy to built their disc.

thanks for any help!

Math

RE: ALUMINIUM FLYWHEEL DISC MATERIAL AND THICKNESS??

Assuming the 1045/1050 numbers are AISI, they are just plain carbon steels (medium C).  They should work OK.  Try to find a plate with very low S and with the Mn in the lower half of the limit.   This will lessen the chance of forming brittle untempered martensite from sudden frictional heating and then quenching.

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