RE: Super Sportster 90/120
I split the elevator used two servos and Golden rod..pull pull rudder and have a OS120 4stroke up front..takes off with in three lengths of itself...landings are a breeze...landing gear is a little flimsy and bouncy..
Servos in each wing are a better idea than the torque rods..
Rather than the wood beams I used a composite motor mount..
Really no problem with flutter and will do anything that you want it to..