I know it might sound stupid, but what receiver are you using as I know a few guys at my local club had same problem when running savox servo with specktrum receiver and they had to use a really big cap to sort problem, I just put life battery in my sons and its fine
__________________
Schumacher kf
Schumacher sv2
Durango Dex210
Carisma gtb x2
Schumacher gt12 x2 
|