ive got a GP patty wagstaff 1/4 scale with a DA50r & 24oz fuel tank so fuel consumption not so much an issue. only have 5 weeks to get ready for a contest. first time ever. want to give it a shot. been hotdog flying for awhile. thought i would give imac a try. if i susk at it O well. just want to get out & meet new people & talk shop.