RE: 4CH VS 6CH?
you need a quALIFIED instructor. best fueling method is called a six shootor hand crank the electric pumps can catch fire. you will need a glow plug starter. i use a firemans kevlar glove and hand start. ive been convertingveverything to electric though. even my large 30 lb fighters. call me tommorow evening 989-797-3645 ill help ya ok im going to bed now. please get someone who can fly to teach you if you could get here for a weekend id have you flying