mx400 pro bobing

[itchy]

i have a mx 400 pro from day one it bobs up and down i have tried diferent throttle curves from 50% at mid stick all the way to 100% at mid stick the tracking is good my lhs recomended a pinion gear one tooth smaller as the stocker motor gets hot whith the stock gear could it be from head spead? thanx for any help and awsome forum :)

[whattheheli]

are you flying outside when it bobs?? if your flying outside a cross wind will make you bob a little ! inside in a tight space the wind from your rotor wash will create the same affect ! hope this helps

[itchy]

thanks for the reply .i think the bearings were shot from the start i put new bearings and blade grips and it is rock solid now.geuss being a newb didnt know what to look for . i also filed down some washers to fit on the outside of the blade grips seems to help aswell thanks again