I was thinking of building a 3d or 4d plane but was wondering the size of servos all i have are 9 gram servos were i live its hard to see any new ideas unless iam in the city 150 miles away same goes for a motor what type motor will i need i have a direct drive 370 i know its to big i have a 15 speed controller and have all kinds of batterys from 2 cell to 8 cell from 3.4 volts to 9.9 volts is the any complete kits out the to start with. thanks