hi scoot thank for your info but i was in a midle off a verticul up line at half trotle,
but some time wen i was flying the engine stop and i have to gow down with the trim and start again, i look for the esc temp and was about 60 dregers celcius , not bad for summer here in argentina, also the max amp that i have was 74 at full trothle and full charge the batteries

any other suggestion??

thanks
marcelo