spot on there elvo

glad to see that there is some people on here who understand materials too

fabs great explanation there
so all in all guys the problem isnt the grade/type of ally its the thickness that it is. although if you make it thicker the chasiss will be less "bendy" so will handle differently.
i think in this day and age there is allot to be said about differing layups of Carbon and fiberglass to achive the elastic nature of the matiral required