Hey wings,
The Kadet has instructions on this that should explain it quite well. Id explain it but its a bit hard to do so, so ill wait for minnflyer to give one of his great diagrams. Ill give it a try but i apologize if it doesnt make sense. The pushrod form the servo is connected by a nylon piece to another metal part that attachs to the airelon. The metal part is put on an angle so that when the servo pulls it will only pull the metal piece a bit, but when it pushes it will move the metal part alot more.
About wives im not sure as im only 16 but you guys want a pet peeve how about not being able to drive (almost there though)

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About the radio i would also recommend the new 6EXA but if you dont wanna go with a computer radio go with the 6YG thats a quality one too. Check the classifieds on RCU theres a cheap one for sale with a flight pack out i think.
Papa