Hmm maybe we do need a wiki.
Check out this answer from a few months back. Why four motors, instead of one motor? - #9 by davek79
Also the search is pretty good on this forum so don’t hesitate to try that before posting 
Hmm maybe we do need a wiki.
Check out this answer from a few months back. Why four motors, instead of one motor? - #9 by davek79
Also the search is pretty good on this forum so don’t hesitate to try that before posting