i used my hand drill to wind the rubber bands>>> bonner escapements>>and all that was a long time ago>>learned to fly myself>>never got much help in those days lets see>> one blip for up one and hold for down 2 and holdfor left and so on but that was a long time ago iam 81 now>>> flew on 27 then went to 72.. still one 72 20 guys at our field and iam the only one on 72 rest ar 2.4>> but i do have one 2.4 and 10 futaba 4 and 6 channel radios 4 nitro engines and 3 gas engines good old days are gone