Thanks guys. Haven't received the plane yet so don't have the manual. Am anticipating for shopping. Did find a slightly larger Yak (42"wingspan) that suggested mini servos with a minimum of 32 ozs of torque. That seems like alot, and hard to find in a mini, but I did find some Hitec HS-81s (16.6 grams.)at Tower that fit the bill though they are a bit pricey. Of course if standards will suffice it will be easy enough and economical. The whole purpose of this smaller plane is supposed to be economy. While I have your attention.... can I use a single conversion receiver with my Radio? (Hitec 75mgz FM Lazer ch 40) without real penalty? Of course it would be a modern single conv. receiver, not one of yesteryear. I know the receiver I already have with my radio and in a plane is duel conversion. Wow ! I've much to learn! I appreciate you guys!