Higher pinions = safer MMM's? Or no? Someone's lying....

[lutach]

Ok, so I got this thing inside my head that's driving me nuts. I have a M.Troniks ESC (Sorry Patrick, I know this is Castle's section) the truck one and it came with 3 diodes to add to each phase and then it went to the negative battery connector. Now what are they really for?

http://i206.photobucket.com/albums/b...p/DSCF2201.jpg (Thanks linc for the pic)