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Old 4th March 2011, 06:55 PM
Lotusrk Lotusrk is offline
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Join Date: Mar 2011
Location: Banana belt of the Rocky Mountains; Canon City, Colorado
Posts: 2
Default Roll bar material

Hi, When I built a sprint car for Pikes Peak I had John Wells bend up my bar using (at his suggestion) 43 mm dia., 3 mm wall thickness (aprox), Drawn over Mandrel (DOM). The governing body of the PPHCA deems this as a suitable substitute for chrome molly tubing and it is considerably cheaper. I can't comment on weight, it might be heavier.
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