Hi there
i have a F450, with AVL 58 TX / Rx FPV set, gopro 3 Black Edition, running 10*5 graupner, wiht home made raised legs, and stock Dji motors.
normally i flew with 3S, flight time 12-14 min. on 4000Mah packs.
but now i am upgrading to 9*5 Graupner and 4S 5000Mah packs. for more power...