Im thinkin' with the $$$ I get for christmas, I'd buy an Emaxx. But my buddy had one and the center shaft outdrive got chewed up. The upper peice of the half shaft spun out of the outdrive (twisted it until it broke). Am I making sense?

I just was wondering if this is a common problem And what solutions there are.

LMK if I need to re-explain the question... I dont think it makes sense.
Thanks in advance, Jeff