wow i remember when i first learned to fly sig cadet with a os 40 all balsa  was a 3 channel but the man who trained me said add airelons , so i started with 4 channel and when i went to my sweet stick sweet and low had no problems everyone i train i recommend starting out with 4 channel  gets you all the basics right off the get go   any way  all will welcome you at the flying field  they are happy to see younger people entering  and we all have been where you are right now  have fun and enjoy   , you will espically enjoy the fellowship