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Tube chassis size

Posted: August 4th, 2017, 3:02 am
by Ellery
Hello, apologies if this has been asked before but couldn't see in search. What size chrome moly tube is used for 1/4 scale sprint car chassis? I'm thinking 12.7mm diameter with 1.2mm wall thickness. Is this sufficient? going for it to look right, be strong but not weigh a tonne. Cheers james