try to build to the wight limit
http://beetlebros.gametechmods.com/ra2techs.htm and read this it may help
At least there isn't a ton of empty space...If you're going for IRL designs, you're on the right track I think.
Is "tail" of Wonder Machine are supposed to be used as Vertical Thwack?
more than 10 spin motors = you're not building seriously
Oh.Still, when Kid_Krusher13 is back he can probably explain.