I have yet to see any style, any oil pattern, any drilling pattern or any combination of the above make the Ultimate Inferno flip. I'm not saying it won't happen; I just haven't seen it since the ball came out. I owned one at one point in time, also. Never found enough oil for it.
--------------------
"...for advice is a dangerous gift, even from the wise to the wise...."
J. R. R. Tolkien