[lincpimp]

Originally Posted by Takedown

I would run a ducted fan over it like my friend does. It cost the same as a regular fan yet puts out a alot more wind and is very efficient. Here- http://www3.towerhobbies.com/cgi-bin...?&I=LXHHP1&P=7

Hmm, just use a larger ducted fan unit, place the esc in front of it, and use it for thrust. I would think that a 1515 powered ducted fan unit would be reasonably powerful, and the intake would flow plenty of air over the esc...