Originally Posted by
waltss2k
I am running 1/12 scale and I am using a Novac GTB 4cell do I need to be running a Booster pack or a reciver battery
There is no servo that runs well on 3.7v. They are designed to run on 4.8v. anything less and they will run really slow. If you do not have a booster, rx pack or a speedo with a built in booster you need to get one of those 3.