diffrence between 3003 alloy, and 7075 t6??

[BrianG]

FYI: I've used angle 6061-T6 angle stock (~4mm thick) from onlinemetals.com in my Jato, 4-tec, and CRT.5 and it holds up great. The motors in these are short so there isn't much weight hanging far out from the mounting area, so the lesser metal works fine. Also, I position the motor such that it is as close to the angle as possible for added strength. In larger vehicles where a longer/heavier motor is used, I would either use thicker 6061 or a little thinner 7075 as a minimum. I chose 6061 since it is easier to work on, but not so soft that it doesn't work well in the application. Just depends on what you plan to do with it.