AK 420 pro test with 2660 rpm

[@RCCopterLove]

Very impressive flight! This heli is so powerful, even when your are giving a lot of positive or negative collective pitch!

[@pilotphuongtony5144]

Thanks very much

[@namlaifeed1318]

Con này build tổng hết bao nhiêu vậy anh

[@pilotphuongtony5144]

12tr chưa pin