The mecha is very well designed and I could see that you aleady draw the joints for its movements. The foot part would be a problem though, unless its designed like the hind leg of a wolf or horse. I suggest putting in the heels to make it balance.

OOOO! I like it! this will look good inked and colored!

AWSOME! there is no way I could draw that in any way, shape or form! good job!