[racingdwarf]

I think one of the reasons Aero use a plastic chassis is it is the only cost efective way to mold sompthing that complex,I suppose they could have used graphite like the losi but I am no expert. but like has already been said the most prefer the B4 with plastic and I have never heard anyone say it week.I think you can get Info on the Aero from there web site, think there is a link on here somewere.