Here's a thread I started in the 3D Forum.
I put 4 aileron servos in it. I also put 2 elevator servos in it.
Tower Hobbies .75 engine.
Totally ballistic vertical.
Weighs 5.25 pounds.
Not the best at 3D. Mine will hover and pull out.
http://www.rcuniverse.com/forum/m_34...tm.htm#3523800
Read it. I gave detailed descriptions on how to modify it for 4 ailerons servos. Lots of pics in there.