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Old 01-23-2014, 11:33 PM
jjvsb jjvsb is offline
Motorized Bicycle Newbie
Join Date: Jan 2014
Location: bc,canada
Posts: 6
Default Re: DIY expansion chamber?

wow all great advice.thanks!
i hadn't thought of getting patterns..

I went for the mathematical formula at first ,then realized how hard that would be..
I work w/ sheet metal so getting the metal is easy.
used 18g.. I have a forming smooth curves with it though.
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