Sorry for being repetitive but, NO ONE SHOULD EVEN THINK to try to take off with ANY ICE on any surface on you aircraft.
I understand that when someone has little flight time and that someone has hears hangar talk about "super-skills" regarding flying aircraft full of ice, there could be a shadow of a doubt about maybe having a "little ice" anywhere (I´ve seen it).
Everybody that have had rapid ice buildup, must know what are the effects on your envelope.
Yes, I had it once and the best way to describe me during it is: <img src="frown.gif" border="0"> <img src="eek.gif" border="0">