RE: servos for 30cc
Cloudancer,
I would be wary of non digital servos for an aerobic plane. You get what you pay for. If its going to be powered by a gas engine, I highly suggest metal gear servos. If you are interested I have some very nice coreless digital servos that are reliable and plenty stout for a 30 to 50 cc plane. If you are interested, they are 59.99 each. PM and I will give you the details. I have them installed in the Aero-works 30cc Edge and 50cc Sbach. The are very quick, center awesome, coreless, and digital. Specs are 170 ounces at 6v and .08 response time.
Brian