[pilleya]

Originally Posted by TheModMaster8

those gears are made out of 7075 Aluminum which is as strong as many types of steel, thats one impressive feet lol

In comparison with 4140( normal steel gear material) it has a higher yield strength, but a lower ultimate tensile strength. It also has a much lower %elongation. The percentage elongation means that it can't bend and deform as much before it fails

http://www.wcproducts.net/how-to-gears/