Making bulletproof conrods.. what alloy? - RC ... - RC Groups
· 7075 is very hard and up to the task, but needs to be shot peened or highly polished to avoid stress cracks/risers. It was further recommended if using 6061 or 7075 to use bushings on both ends. A new alloy was mentioned on the Internet (where everything is fact as you all know) that was a military secret for some time, but it's expensiveand ...